GED Practice

GED Math Review: Solving One-step Equations


Questions:


  1. x - 15 = 4
  2. x - 7 = 3
  3. x/2 = 12
  4. -6 = -42
  5. x + 9 = 22
  6. -12x = 60
  7. x - 8 = -10
  8. x/-3 = 18
  9. 5x = -45
  10. 9 + x = -18
  11. -11x = 132
  12. 7x = 63
  13. x -94 = 52
  14. 6.5 + x = 12.25
  15. 0.25 = 12
  16. 200x = 25
  17. -69 + x = 124
  18. -3.6x = -17.28
  19. 0.38 + x = 2.5
  20. 6x = 3.3

    Translate each question into algebraic equation and solve.
  21. -13 added to what number equals 20?
    (Hint: -13 + x = 20.)
  22. What number multiplied by 10 equals 900?
  23. What number divided by 4 equals 60?
  24. 5 subtracted from what number equals -14?
  25. What number divided by 4 is 32?
  26. What number multiplied by -6 equals 48?
  27. 52 added to what number equals 10?
  28. 4 subtracted from what number equals -17?
Answers:
  1. 19
  2. 10
  3. 24
  4. 7
  5. 13
  6. -5
  7. -2
  8. -54
  9. -9
  10. -27
  11. 12
  12. 9
  13. 146
  14. 5.75
  15. 48
  16. 1/8 or 0.125
  17. 193
  18. 4.8
  19. 2.12
  20. 0.55
  21. 33
  22. 90
  23. 240
  24. -9
  25. 128
  26. -8
  27. 48
  28. -13




Reference:


Complete Test Preparation for the GED Test 2014 by Steck-Vaughn