Name Date
Equation Solver worksheet
Grades 7–8 · CCSS 8.EE.C.7.b, 8.EE.C.7.a, 7.EE.B.4.a
Calcapedia Solve each problem and show your work. Round answers to 2 decimal places where needed.
- 1.
Problem 1. - Equation: 4(x - 1) + 5 = 4x + 14
Find: Solution
Answer
- 2.
Problem 2. - Equation: 2(x - 3) + 6 = 2x + 14
Find: Solution
Answer
- 3.
Problem 3. - Equation: 3(x - 2) + 2 = 2x + 4
Find: Solution
Answer
- 4.
Problem 4. - Equation: 1(x - 2) + 1 = 2x + 11
Find: Solution
Answer
- 5.
Problem 5. - Equation: 2(x - 1) + 1 = 2x + 9
Find: Solution
Answer
- 6.
Problem 6. - Equation: 5(x - 2) + 2 = 3x + 8
Find: Solution
Answer
- 7.
Problem 7. - Equation: 5(x - 1) + 6 = 2x + 11
Find: Solution
Answer
- 8.
Problem 8. - Equation: 6(x - 1) + 7 = 1x + 5
Find: Solution
Answer
- 9.
Problem 9. - Equation: 3(x - 1) + 2 = 3x + 9
Find: Solution
Answer
- 10.
Problem 10. - Equation: 1(x - 2) + 1 = 3x + 13
Find: Solution
Answer
Answer key: Equation Solver worksheet
Calcapedia 1. Solution: No solution
Start with the equation as you typed it
Tidy up each side: multiply out any brackets, then combine terms of the same kind, such as the x terms and the plain numbers
Subtract 4x from both sides. That gathers every x on the left and keeps the two sides equal
Subtract 1 from both sides. That moves the plain numbers to the right
The x terms cancel out. What's left, 0 = 13, is never true, so no value of x works
2. Solution: No solution
Start with the equation as you typed it
Tidy up each side: multiply out any brackets, then combine terms of the same kind, such as the x terms and the plain numbers
Subtract 2x from both sides. That gathers every x on the left and keeps the two sides equal
The x terms cancel out. What's left, 0 = 14, is never true, so no value of x works
3. Solution: x = 8
Start with the equation as you typed it
Tidy up each side: multiply out any brackets, then combine terms of the same kind, such as the x terms and the plain numbers
Subtract 2x from both sides. That gathers every x on the left and keeps the two sides equal
Add 4 to both sides. That moves the plain numbers to the right
Check your answer: put x = 8 back into each side of the original equation. Both sides come out the same
So the solution is
4. Solution: x = −12
Start with the equation as you typed it
Tidy up each side: multiply out any brackets, then combine terms of the same kind, such as the x terms and the plain numbers
Subtract 2x from both sides. That gathers every x on the left and keeps the two sides equal
Add 1 to both sides. That moves the plain numbers to the right
Divide both sides by −1, the number in front of x, so x stands alone
Check your answer: put x = −12 back into each side of the original equation. Both sides come out the same
So the solution is
5. Solution: No solution
Start with the equation as you typed it
Tidy up each side: multiply out any brackets, then combine terms of the same kind, such as the x terms and the plain numbers
Subtract 2x from both sides. That gathers every x on the left and keeps the two sides equal
Add 1 to both sides. That moves the plain numbers to the right
The x terms cancel out. What's left, 0 = 10, is never true, so no value of x works
6. Solution: x = 8
Start with the equation as you typed it
Tidy up each side: multiply out any brackets, then combine terms of the same kind, such as the x terms and the plain numbers
Subtract 3x from both sides. That gathers every x on the left and keeps the two sides equal
Add 8 to both sides. That moves the plain numbers to the right
Divide both sides by 2, the number in front of x, so x stands alone
Check your answer: put x = 8 back into each side of the original equation. Both sides come out the same
So the solution is
7. Solution: x = 10/3
Start with the equation as you typed it
Tidy up each side: multiply out any brackets, then combine terms of the same kind, such as the x terms and the plain numbers
Subtract 2x from both sides. That gathers every x on the left and keeps the two sides equal
Subtract 1 from both sides. That moves the plain numbers to the right
Divide both sides by 3, the number in front of x, so x stands alone
Check your answer: put x = 10/3 back into each side of the original equation. Both sides come out the same
So the solution is
8. Solution: x = 4/5
Start with the equation as you typed it
Tidy up each side: multiply out any brackets, then combine terms of the same kind, such as the x terms and the plain numbers
Subtract x from both sides. That gathers every x on the left and keeps the two sides equal
Subtract 1 from both sides. That moves the plain numbers to the right
Divide both sides by 5, the number in front of x, so x stands alone
Check your answer: put x = 4/5 back into each side of the original equation. Both sides come out the same
So the solution is
9. Solution: No solution
Start with the equation as you typed it
Tidy up each side: multiply out any brackets, then combine terms of the same kind, such as the x terms and the plain numbers
Subtract 3x from both sides. That gathers every x on the left and keeps the two sides equal
Add 1 to both sides. That moves the plain numbers to the right
The x terms cancel out. What's left, 0 = 10, is never true, so no value of x works
10. Solution: x = −7
Start with the equation as you typed it
Tidy up each side: multiply out any brackets, then combine terms of the same kind, such as the x terms and the plain numbers
Subtract 3x from both sides. That gathers every x on the left and keeps the two sides equal
Add 1 to both sides. That moves the plain numbers to the right
Divide both sides by −2, the number in front of x, so x stands alone
Check your answer: put x = −7 back into each side of the original equation. Both sides come out the same
So the solution is