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20
What is -38% of 100?
Compute the percent value (integer-safe).
Compute -38/100 × 100.
-38
Solve: |-1x + -4| = 13
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-17, 9
If each item costs -8 dollars and the total cost is 120, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-15
Solve: |-5x + 4| = 20
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve: 4x + 2 < 66
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < 16
Solve for x: -2(x + 7) = -28
Solve a two-step equation.
Divide both sides by a, then subtract b.
7
Simplify: 1x + 3x + 1y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
4x + 1y
Solve for x: 11x + -11 = 154
Solve the linear equation.
Subtract b from both sides, then divide by a.
15
If each item costs 13 dollars and the total cost is -130, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-10
Solve: |6x + -13| = 11
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
4
If each item costs -4 dollars and the total cost is 72, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-18
Solve: |-8x + 4| = 20
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-2, 3
Simplify: 5x + 8x + -2y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
13x - 2y
Solve: |-8x + -3| = 5
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
-1
If each item costs -4 dollars and the total cost is 28, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-7
What is 133% of 700?
Compute the percent value (integer-safe).
Compute 133/100 × 700.
931
Solve for x: 10x + -12 = -212
Solve the linear equation.
Subtract b from both sides, then divide by a.
-20
If each item costs 3 dollars and the total cost is 42, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
14
Solve for x: 5x + 24 = -66
Solve the linear equation.
Subtract b from both sides, then divide by a.
-18
Solve: |3x + -6| = 1
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
If each item costs -6 dollars and the total cost is -6, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
1
Solve for x: 3x + 3 = 21
Solve the linear equation.
Subtract b from both sides, then divide by a.
6
Solve for x: 1x + 1 = 19
Solve the linear equation.
Subtract b from both sides, then divide by a.
18
What is 115% of 120?
Compute the percent value (integer-safe).
Compute 115/100 × 120.
138
Solve: |6x + -8| ≤ 2
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
1 ≤ x ≤ 1
Simplify: 6x + -5x + -4y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
1x - 4y
Solve for x: 3(x + -10) = -24
Solve a two-step equation.
Divide both sides by a, then subtract b.
2
Solve: |2x + -19| ≤ 17
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
1 ≤ x ≤ 18
Solve: |6x + -4| ≤ 9
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
0 ≤ x ≤ 2
Solve: |7x + -15| ≤ 0
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
no integer solutions
Solve for x: 3(x + 13) = 24
Solve a two-step equation.
Divide both sides by a, then subtract b.
-5
What is 140% of 50?
Compute the percent value (integer-safe).
Compute 140/100 × 50.
70
Solve for x: -7(x + 14) = -98
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 36, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
18
Solve: -6x + -9 ≥ -63
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ 9
If each item costs 6 dollars and the total cost is 78, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
13
Simplify: -2x + 5x + -6y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
3x - 6y
What is 87% of 900?
Compute the percent value (integer-safe).
Compute 87/100 × 900.
783
Solve: |6x + -5| ≤ 14
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-1 ≤ x ≤ 3
Solve for x: -8(x + 11) = 24
Solve a two-step equation.
Divide both sides by a, then subtract b.
-14
What is -1% of 700?
Compute the percent value (integer-safe).
Compute -1/100 × 700.
-7
What is 31% of 0?
Compute the percent value (integer-safe).
Compute 31/100 × 0.
0
Solve: |8x + 15| = 5
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve: |-8x + -20| ≤ 19
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-4 ≤ x ≤ -1
Solve for x: -6(x + 9) = -54
Solve a two-step equation.
Divide both sides by a, then subtract b.
0
Solve for x: 7x + 23 = -89
Solve the linear equation.
Subtract b from both sides, then divide by a.
-16
Simplify: 3x + -2x + 1y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
1x + 1y
If each item costs 3 dollars and the total cost is 72, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
24
If each item costs -3 dollars and the total cost is 12, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-4
Solve: -2x + -10 > 24
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > -17
Solve: |7x + -14| ≤ 14
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
0 ≤ x ≤ 4
What is 148% of 200?
Compute the percent value (integer-safe).
Compute 148/100 × 200.
296
If each item costs 2 dollars and the total cost is -34, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-17
Solve for x: 10x + 12 = 12
Solve the linear equation.
Subtract b from both sides, then divide by a.
0
Solve for x: 12x + -1 = 167
Solve the linear equation.
Subtract b from both sides, then divide by a.
14
Solve for x: 5(x + -4) = -65
Solve a two-step equation.
Divide both sides by a, then subtract b.
-9
Solve: |-7x + -7| = 4
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
If each item costs 10 dollars and the total cost is -10, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-1
If each item costs 4 dollars and the total cost is 52, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
13
Solve: -6x + 3 < 117
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x < -19
Solve: |4x + 1| = 1
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
0
Solve: |-4x + -9| = 9
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
0
Solve: |3x + 15| = 17
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve: |-1x + 7| ≤ 14
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-7 ≤ x ≤ 21
Solve: |4x + -11| ≤ 10
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
1 ≤ x ≤ 5
Solve for x: -4(x + -12) = 104
Solve a two-step equation.
Divide both sides by a, then subtract b.
-14
Simplify: 5x + 4x + 5y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
9x + 5y
Solve: -6x + -13 > 71
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > -14
Solve for x: 8x + 13 = 13
Solve the linear equation.
Subtract b from both sides, then divide by a.
0
Solve: |8x + 1| = 18
Find integer solutions x, if any.
Set inside equal to ±c and solve both linear equations.
no integer solutions
Solve: -1x + -8 ≥ 10
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≥ -18
Solve for x: 4(x + -8) = -36
Solve a two-step equation.
Divide both sides by a, then subtract b.
-1
If each item costs 8 dollars and the total cost is -16, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-2
Solve: |8x + -15| ≤ 14
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
1 ≤ x ≤ 3
What is 129% of 700?
Compute the percent value (integer-safe).
Compute 129/100 × 700.
903
What is 17% of 700?
Compute the percent value (integer-safe).
Compute 17/100 × 700.
119
Solve for x: -11x + 20 = -35
Solve the linear equation.
Subtract b from both sides, then divide by a.
5
What is 138% of 200?
Compute the percent value (integer-safe).
Compute 138/100 × 200.
276
Simplify: 1x + -6x + 3y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-5x + 3y
Solve: -4x + 4 > 76
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x > -18
Solve for x: -5x + 1 = 1
Solve the linear equation.
Subtract b from both sides, then divide by a.
0
Solve: |-5x + -14| ≤ 16
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-6 ≤ x ≤ 0
Solve for x: -4(x + -14) = 52
Solve a two-step equation.
Divide both sides by a, then subtract b.
1
Solve for x: -3x + 27 = -3
Solve the linear equation.
Subtract b from both sides, then divide by a.
10
Solve for x: 8(x + -13) = 16
Solve a two-step equation.
Divide both sides by a, then subtract b.
15
What is -48% of 50?
Compute the percent value (integer-safe).
Compute -48/100 × 50.
-24
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
Simplify: 1x + -5x + -4y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-4x - 4y
What is 105% of 20?
Compute the percent value (integer-safe).
Compute 105/100 × 20.
21
Solve: |2x + -4| ≤ 19
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-7 ≤ x ≤ 11
What is -8% of 200?
Compute the percent value (integer-safe).
Compute -8/100 × 200.
-16
Solve: 3x + 6 ≤ 48
Solve the inequality.
Isolate x by subtracting b then dividing by a (flip sign if dividing by negative).
x ≤ 14
Solve for x: 6(x + 15) = 36
Solve a two-step equation.
Divide both sides by a, then subtract b.
-9
What is 89% of 300?
Compute the percent value (integer-safe).
Compute 89/100 × 300.
267
If each item costs -6 dollars and the total cost is -78, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
13
Solve: |1x + -17| ≤ 18
Find integer range of x satisfying the absolute inequality.
Isolate and produce interval then take integer bounds.
-1 ≤ x ≤ 35
Simplify: -4x + -5x + 1y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-9x + 1y
Simplify: -2x + -6x + -4y
Combine like terms.
Add coefficients of like terms (x with x, y with y).
-8x - 4y
If each item costs -8 dollars and the total cost is 136, how many items were bought?
Solve using algebra.
Divide total cost by price per item.
-17
Solve for x: -12x + -15 = -219
Solve the linear equation.
Subtract b from both sides, then divide by a.
17