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20
If each item costs 0 dollars and the total cost is 0, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-20
Solve: -4x + 18 < -58
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < 19
Solve: |-1x + 15| = 11
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
4, 26
Solve for x: -3(x + -5) = 18
Solve a two-step equation.
Divide both sides by a, then subtract b.
-1
What is 141% of 500?
Compute the percent value (integer-safe).
Compute 141/100 × 500.
705
Solve for x: 1(x + -1) = -1
Solve a two-step equation.
Divide both sides by a, then subtract b.
0
Solve: |-3x + -3| = 2
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve for x: 1(x + -4) = -16
Solve a two-step equation.
Divide both sides by a, then subtract b.
-12
Simplify: 7x + 1x + -3y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
8x - 3y
Simplify: 6x + 8x + -4y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
14x - 4y
Solve for x: -6x + 30 = -72
Solve the linear equation.
Subtract b from both sides, then divide by a.
17
Solve for x: -2(x + 3) = -6
Solve a two-step equation.
Divide both sides by a, then subtract b.
0
What is -38% of 350?
Compute the percent value (integer-safe).
Compute -38/100 × 350.
-133
What is 128% of 250?
Compute the percent value (integer-safe).
Compute 128/100 × 250.
320
Solve: 2x + -14 ≤ -32
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≤ -9
What is 9% of 300?
Compute the percent value (integer-safe).
Compute 9/100 × 300.
27
Solve for x: 8x + 10 = -110
Solve the linear equation.
Subtract b from both sides, then divide by a.
-15
Solve for x: 3(x + 10) = 45
Solve a two-step equation.
Divide both sides by a, then subtract b.
5
Solve: -6x + -15 ≥ -129
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ 19
Solve: |8x + -13| ≤ 13
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
0 ≤ x ≤ 3
If each item costs 16 dollars and the total cost is 32, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
2
Solve: |-6x + 3| ≤ 1
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
no integer solutions
Solve: |-3x + 10| = 3
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve: |2x + -3| = 11
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
7, -4
What is 115% of 160?
Compute the percent value (integer-safe).
Compute 115/100 × 160.
184
Simplify: 0x + 5x + 8y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
5x + 8y
Simplify: -5x + 0x + 7y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-5x + 7y
What is 116% of 50?
Compute the percent value (integer-safe).
Compute 116/100 × 50.
58
If each item costs 2 dollars and the total cost is -18, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-9
Solve for x: 7(x + -1) = 91
Solve a two-step equation.
Divide both sides by a, then subtract b.
14
Solve: -5x + 12 ≥ -33
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ 9
Simplify: -7x + 7x + 8y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
8y
What is 130% of 80?
Compute the percent value (integer-safe).
Compute 130/100 × 80.
104
Solve for x: 2x + -3 = 25
Solve the linear equation.
Subtract b from both sides, then divide by a.
14
What is -32% of 75?
Compute the percent value (integer-safe).
Compute -32/100 × 75.
-24
If each item costs 9 dollars and the total cost is 171, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
19
Solve: 2x + 5 ≥ -5
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ -5
Solve: |-5x + 6| = 15
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
If each item costs -7 dollars and the total cost is 119, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-17
Solve for x: -11x + 9 = -134
Solve the linear equation.
Subtract b from both sides, then divide by a.
13
What is 32% of 25?
Compute the percent value (integer-safe).
Compute 32/100 × 25.
8
Solve for x: 5(x + -12) = -15
Solve a two-step equation.
Divide both sides by a, then subtract b.
9
Solve for x: -4(x + 0) = -44
Solve a two-step equation.
Divide both sides by a, then subtract b.
11
Solve for x: 1(x + -14) = -13
Solve a two-step equation.
Divide both sides by a, then subtract b.
1
Simplify: 5x + 4x + -4y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
9x - 4y
Solve: -3x + 6 > 39
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > -11
Solve: |4x + -19| ≤ 6
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
4 ≤ x ≤ 6
If each item costs 14 dollars and the total cost is 182, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
13
Solve: |-3x + -13| ≤ 10
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-7 ≤ x ≤ -1
Solve for x: -3x + -12 = -3
Solve the linear equation.
Subtract b from both sides, then divide by a.
-3
What is -48% of 50?
Compute the percent value (integer-safe).
Compute -48/100 × 50.
-24
Solve: |8x + 1| ≤ 13
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-1 ≤ x ≤ 1
Solve for x: 8(x + -12) = -96
Solve a two-step equation.
Divide both sides by a, then subtract b.
0
If each item costs -2 dollars and the total cost is -52, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
26
Solve: |5x + 6| = 1
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-1
Solve: |-5x + -7| ≤ 19
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-5 ≤ x ≤ 2
Solve for x: -3(x + -3) = 18
Solve a two-step equation.
Divide both sides by a, then subtract b.
-3
Solve for x: -6(x + 11) = -156
Solve a two-step equation.
Divide both sides by a, then subtract b.
15
Solve for x: 9x + 17 = 62
Solve the linear equation.
Subtract b from both sides, then divide by a.
5
Solve for x: -3x + -5 = 4
Solve the linear equation.
Subtract b from both sides, then divide by a.
-3
Solve: -10x + 7 ≤ 197
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≤ -19
What is 3% of 400?
Compute the percent value (integer-safe).
Compute 3/100 × 400.
12
If each item costs 17 dollars and the total cost is 391, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
23
Simplify: 4x + -4x + -8y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-8y
Solve: |-8x + -1| ≤ 3
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
0 ≤ x ≤ 0
If each item costs -1 dollars and the total cost is 11, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-11
What is 10% of 80?
Compute the percent value (integer-safe).
Compute 10/100 × 80.
8
Solve for x: 10x + -6 = -36
Solve the linear equation.
Subtract b from both sides, then divide by a.
-3
Solve for x: -6x + -19 = -85
Solve the linear equation.
Subtract b from both sides, then divide by a.
11
Solve for x: -8(x + -3) = 32
Solve a two-step equation.
Divide both sides by a, then subtract b.
-1
Solve for x: -5x + 10 = -65
Solve the linear equation.
Subtract b from both sides, then divide by a.
15
Simplify: -8x + 4x + -2y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-4x - 2y
Solve for x: 4(x + 13) = 60
Solve a two-step equation.
Divide both sides by a, then subtract b.
2
Solve: -7x + 16 > -54
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > 10
Solve for x: 5(x + -13) = -130
Solve a two-step equation.
Divide both sides by a, then subtract b.
-13
Simplify: -3x + -7x + 3y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-10x + 3y
Solve: |7x + -1| = 14
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Simplify: 0x + -6x + 6y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-6x + 6y
Solve: |4x + 12| ≤ 0
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-3 ≤ x ≤ -3
Solve: |-6x + 0| ≤ 6
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-1 ≤ x ≤ 1
What is 50% of 10?
Compute the percent value (integer-safe).
Compute 50/100 × 10.
5
Solve: |3x + 6| = 13
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve: -2x + 11 ≥ 39
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ -14
Solve: |2x + 2| = 13
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve for x: 5(x + 11) = 85
Solve a two-step equation.
Divide both sides by a, then subtract b.
6
Solve for x: -2(x + -7) = 6
Solve a two-step equation.
Divide both sides by a, then subtract b.
4
What is 1% of 300?
Compute the percent value (integer-safe).
Compute 1/100 × 300.
3
Solve: |5x + -11| ≤ 1
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
2 ≤ x ≤ 2
What is 123% of 400?
Compute the percent value (integer-safe).
Compute 123/100 × 400.
492
Solve for x: 4(x + 11) = 16
Solve a two-step equation.
Divide both sides by a, then subtract b.
-7
Simplify: -1x + -2x + -7y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-3x - 7y
Solve for x: -4x + 13 = 29
Solve the linear equation.
Subtract b from both sides, then divide by a.
-4
Solve: -2x + -8 ≥ -48
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ 20
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
What is 150% of 2?
Compute the percent value (integer-safe).
Compute 150/100 × 2.
3
Solve for x: -3(x + 13) = -30
Solve a two-step equation.
Divide both sides by a, then subtract b.
-3
If each item costs -4 dollars and the total cost is -36, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
9
If each item costs -7 dollars and the total cost is -28, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
4
Solve: |-1x + -5| ≤ 15
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-20 ≤ x ≤ 10
Solve for x: 2x + -22 = -18
Solve the linear equation.
Subtract b from both sides, then divide by a.
2