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20
If each item costs 14 dollars and the total cost is -154, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-11
What is 91% of 100?
Compute the percent value (integer-safe).
Compute 91/100 × 100.
91
Solve: |4x + 11| = 3
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-2
Simplify: -6x + 4x + -5y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-2x - 5y
Solve: -6x + 9 ≥ 15
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ -1
Solve for x: -9x + 20 = -97
Solve the linear equation.
Subtract b from both sides, then divide by a.
13
Simplify: -4x + -2x + -1y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-6x - 1y
Solve: |-4x + 4| = 9
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
What is 36% of 225?
Compute the percent value (integer-safe).
Compute 36/100 × 225.
81
Simplify: 1x + -2x + 2y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-1x + 2y
Solve: |-7x + 7| = 14
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-1, 3
If each item costs 8 dollars and the total cost is 104, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
13
If each item costs 1 dollars and the total cost is 26, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
26
If each item costs 5 dollars and the total cost is -55, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-11
Solve for x: 9x + 3 = -150
Solve the linear equation.
Subtract b from both sides, then divide by a.
-17
Solve: |-5x + 20| ≤ 11
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
2 ≤ x ≤ 6
Solve for x: -1x + 10 = 3
Solve the linear equation.
Subtract b from both sides, then divide by a.
7
Solve: |3x + -13| = 10
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
1
If each item costs -3 dollars and the total cost is 3, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-1
Solve for x: 10x + -27 = 73
Solve the linear equation.
Subtract b from both sides, then divide by a.
10
What is 93% of 400?
Compute the percent value (integer-safe).
Compute 93/100 × 400.
372
Simplify: 3x + -5x + -6y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-2x - 6y
Solve for x: 7(x + 4) = 77
Solve a two-step equation.
Divide both sides by a, then subtract b.
7
Solve: |-5x + -2| = 2
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
0
Simplify: 1x + 5x + -8y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
6x - 8y
Solve: |-6x + -19| ≤ 15
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-5 ≤ x ≤ -1
Solve for x: -2x + -1 = 37
Solve the linear equation.
Subtract b from both sides, then divide by a.
-19
Simplify: 4x + -3x + 7y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
1x + 7y
Solve: |4x + -16| ≤ 9
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
2 ≤ x ≤ 6
What is 85% of 120?
Compute the percent value (integer-safe).
Compute 85/100 × 120.
102
If each item costs 20 dollars and the total cost is 260, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
13
Solve: |-5x + 8| = 17
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
5
Solve for x: 7x + -12 = -110
Solve the linear equation.
Subtract b from both sides, then divide by a.
-14
What is 107% of 600?
Compute the percent value (integer-safe).
Compute 107/100 × 600.
642
If each item costs 13 dollars and the total cost is 260, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
20
What is -31% of 900?
Compute the percent value (integer-safe).
Compute -31/100 × 900.
-279
Simplify: 8x + 7x + -6y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
15x - 6y
If each item costs 4 dollars and the total cost is 104, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
26
Solve: |-7x + 6| ≤ 7
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
0 ≤ x ≤ 1
Simplify: 3x + 8x + -8y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
11x - 8y
Solve for x: 4x + -2 = 58
Solve the linear equation.
Subtract b from both sides, then divide by a.
15
What is 40% of 40?
Compute the percent value (integer-safe).
Compute 40/100 × 40.
16
If each item costs -4 dollars and the total cost is -92, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
23
What is 90% of 80?
Compute the percent value (integer-safe).
Compute 90/100 × 80.
72
Solve: 8x + -2 ≥ -114
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ -14
Simplify: -7x + 6x + -3y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-1x - 3y
Solve: |2x + 0| ≤ 3
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-1 ≤ x ≤ 1
Simplify: 0x + -7x + -3y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-7x - 3y
Simplify: 4x + -2x + 5y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
2x + 5y
Solve for x: 6(x + 8) = 120
Solve a two-step equation.
Divide both sides by a, then subtract b.
12
Solve: -4x + -2 ≤ -54
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≤ 13
Solve for x: -8(x + -5) = 64
Solve a two-step equation.
Divide both sides by a, then subtract b.
-3
What is 127% of 800?
Compute the percent value (integer-safe).
Compute 127/100 × 800.
1016
What is 31% of 1000?
Compute the percent value (integer-safe).
Compute 31/100 × 1000.
310
Simplify: -4x + 8x + 2y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
4x + 2y
What is 101% of 700?
Compute the percent value (integer-safe).
Compute 101/100 × 700.
707
Solve: |8x + -1| ≤ 15
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-1 ≤ x ≤ 2
Solve: 1x + 20 > 16
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > -4
Solve for x: -5(x + -5) = 30
Solve a two-step equation.
Divide both sides by a, then subtract b.
-1
Solve for x: 4(x + 9) = 88
Solve a two-step equation.
Divide both sides by a, then subtract b.
13
If each item costs -9 dollars and the total cost is 54, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-6
If each item costs 3 dollars and the total cost is -33, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-11
Solve: |-1x + -6| = 7
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-13, 1
Solve: -4x + 20 > 0
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > 5
Solve for x: 3x + 19 = 1
Solve the linear equation.
Subtract b from both sides, then divide by a.
-6
Simplify: -2x + 3x + -2y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
1x - 2y
Solve for x: 5(x + 4) = 55
Solve a two-step equation.
Divide both sides by a, then subtract b.
7
Simplify: -4x + 2x + -7y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-2x - 7y
Solve: |3x + -1| = 12
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve: |-5x + -16| ≤ 9
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-5 ≤ x ≤ -2
Solve for x: 4x + -8 = 16
Solve the linear equation.
Subtract b from both sides, then divide by a.
6
Solve: |-3x + 10| ≤ 17
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-2 ≤ x ≤ 9
If each item costs 4 dollars and the total cost is 12, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
3
Solve: -7x + -5 ≤ 100
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≤ -15
Solve: |2x + -1| ≤ 4
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-1 ≤ x ≤ 2
Solve: -9x + -15 ≤ -6
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≤ -1
Solve: |-3x + 12| ≤ 16
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-1 ≤ x ≤ 9
Solve: |-1x + -9| ≤ 8
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-17 ≤ x ≤ -1
Solve: |-7x + -12| = 0
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
If each item costs 16 dollars and the total cost is 144, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
9
Solve: |6x + 11| = 1
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-2
If each item costs 11 dollars and the total cost is 154, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
14
Solve: |-3x + -7| = 10
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
1
Solve: |-4x + -6| = 4
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve: |-7x + -3| ≤ 11
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-2 ≤ x ≤ 1
Solve for x: 5x + -9 = 36
Solve the linear equation.
Subtract b from both sides, then divide by a.
9
Solve for x: -9x + 4 = -68
Solve the linear equation.
Subtract b from both sides, then divide by a.
8
Solve for x: -11x + 12 = 23
Solve the linear equation.
Subtract b from both sides, then divide by a.
-1
Solve: -9x + 13 > -23
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > 4
Simplify: -4x + -4x + -5y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-8x - 5y
Solve: |2x + -1| = 14
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve: -8x + -2 < -42
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < 5
Solve for x: 6(x + 4) = 54
Solve a two-step equation.
Divide both sides by a, then subtract b.
5
Solve for x: -4(x + 0) = -52
Solve a two-step equation.
Divide both sides by a, then subtract b.
13
Solve: |5x + 5| ≤ 12
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-3 ≤ x ≤ 1
Solve for x: -1x + 17 = 35
Solve the linear equation.
Subtract b from both sides, then divide by a.
-18
Simplify: 0x + -4x + 2y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-4x + 2y
Solve: 2x + -6 ≥ 10
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ 8
Solve for x: -3(x + -10) = 39
Solve a two-step equation.
Divide both sides by a, then subtract b.
-3
Simplify: -1x + -3x + 2y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-4x + 2y