Combining Like Terms and Solving

Simplify each equation by combining like terms, then solve.

Checking Your Answers

Click “Show Answer” underneath the problem to see the answer. Or click the “Show Answers” button at the bottom of the page to see all the answers at once.

If you need assistance with a particular problem, click the “step-by-step” link for an in depth solution.

Example:

Equation: x + 2x = 5 + 10
Answer: x = 5
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Quiz:

  1. Equation: 6x - 2 + 2x = -2 + 4x + 8

  2. Equation: -6 + 2x + 3x = 29

  3. Equation: 100x+ -89x = 121

  4. Equation: 10x+5+0=-2x - 3x+80

  5. Equation: 0x+7+5x=2x+30+40

  6. Equation: -11+10x+11-33=x+2x+100

  7. Equation: 10 + 20x-10=15x-5x+90

  8. Equation: 5x+9+5x=30+7x+15+15

  9. Equation: 99 + 5x = 2000 - 5x - 911

  10. Equation: 10x + 3x = 100 + 69

  11. Equation: x + 2 + 2 + 5x = 19 + x + 5

  12. Equation: x + 3 + x + 4 = x + 7 + 2x + 7

  13. Equation: 3 + 4x + 10 = 5x

  14. Equation: -x - 7 = 5x - 11 - 7x

  15. Equation: y + 2x - y = 18

  16. Equation: 2y - y - y + x = -13

  17. Equation: -6 + 13 - 7 = -2x

  18. Equation: -2 + 8 = -5x + 7 + 4

  19. Equation: -7 + x + 4 + 4x = x - 3 + 6 + 3x

  20. Equation: x + 7x = 56 + 8

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Related Pages


Combining Like Terms Lessons


Brush up on your knowledge of the techniques needed to solve problems on this page.

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