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2 pt

Writing Equations. Equations . Equivalent Expressions. Evaluating Expressions. Solving for a Specific Variable. 1pt. 1 pt. 1 pt. 1pt. 1 pt. 2 pt. 2 pt. 2pt. 2pt. 2 pt. 3 pt. 3 pt. 3 pt. 3 pt. 3 pt. 4 pt. 4 pt. 4pt. 4 pt. 4pt. 5pt. 5 pt. 5 pt. 5 pt. 5 pt.

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2 pt

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  1. Writing Equations Equations Equivalent Expressions Evaluating Expressions Solving for a Specific Variable 1pt 1 pt 1 pt 1pt 1 pt 2 pt 2 pt 2pt 2pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4pt 4 pt 4pt 5pt 5 pt 5 pt 5 pt 5 pt

  2. The sum of a number and five is 26.

  3. n + 5 = 26

  4. Three times a number increased by seven is fifteen.

  5. 3n + 7 = 15

  6. Five less than twice a number is ten.

  7. 2n – 5 = 10

  8. Jerry is ten years less than four times his brother’s age. Jerry is 30. What is his brother’s age?

  9. 4a – 10 = 30

  10. A pack of pencils costs $3 less than a pack of markers. Zoe bought one pack of pencils and one pack of markers for $4.50. If x represents the cost of the pack of markers, write an equation to represent the situation.

  11. x + (x – 3) = $4.50 • x + (x + 3) = $4.50 • x (x-3) = $4.50 • x + 3x = $4.50

  12. 5x + 4 = 19

  13. x = 3

  14. -4x + 6 = -14

  15. x = 5

  16. 7x + 5 = 5x + 11

  17. x = 3

  18. 2x + 4 + x = 2x + 6 + 4

  19. x = 6

  20. 6x + 3 – 2x = x - 7 - 5

  21. x = -5

  22. 3( x + 5)

  23. 3x + 15

  24. -3 (2x - 7)

  25. -6x + 21

  26. 10x + 6 – 7x + 9 – 5x + 4

  27. -2x + 19

  28. 6(x + 3) + 4(x – 5)

  29. 10x - 2

  30. 2(2x + 3) – (x + 6)

  31. 4x + 6 - x - 6 3x

  32. 6x + 8 if x = 4

  33. 32

  34. xyz if x=4, y=5, z=-5

  35. -100

  36. 4e – f g if e = -1, f =5 , g = -3

  37. 3

  38. -4x2 if x = -2

  39. -16

  40. 3a – 2b c if a = 2, b = -1, c = -2

  41. -4

  42. f + 10 = g Solve for f.

  43. f = g - 10

  44. -12 + w = z Solve for w.

  45. w = z + 12

  46. rt = d Solve for t.

  47. t = d r

  48. lwh = V Solve for l.

  49. l = V wh

  50. 2x + y = 5 Solve for y.

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