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Year 7 Equation Word Problems Worksheet — Level 1 — Practice Set 3 — Answers

Answer sheet with worked solutions for the Year 7 linear equations worksheet.

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Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Linear Equations

Year 7 Equation Word Problems Worksheet — Level 1 — Practice Set 3 — Answers

For each problem, choose a letter for the unknown, write an equation, solve it, and check your answer in the words of the problem.

1.Layla thinks of a number, multiplies it by 3 and then adds 3. The answer is 63. Write an equation and find the number.

Answer: 20

  1. Let the number be n: 3n + 3 = 63
  2. 3n = 60
  3. n = 20
2.Emma thinks of a number, subtracts 11 and multiplies the result by 5. The answer is 50. What was the number?

Answer: 21

  1. 5(n − 11) = 50
  2. n − 11 = 10
  3. n = 21
3.Zoe thinks of a number, subtracts 5 and multiplies the result by 3. The answer is 30. What was the number?

Answer: 15

  1. 3(n − 5) = 30
  2. n − 5 = 10
  3. n = 15
4.Layla thinks of a number, subtracts 4 and multiplies the result by 3. The answer is 9. What was the number?

Answer: 7

  1. 3(n − 4) = 9
  2. n − 4 = 3
  3. n = 7
5.Layla thinks of a number, multiplies it by 2 and then adds 11. The answer is 31. Write an equation and find the number.

Answer: 10

  1. Let the number be n: 2n + 11 = 31
  2. 2n = 20
  3. n = 10
6.Aisha thinks of a number, multiplies it by 5 and then adds 2. The answer is 92. Write an equation and find the number.

Answer: 18

  1. Let the number be n: 5n + 2 = 92
  2. 5n = 90
  3. n = 18
7.Harper thinks of a number, subtracts 8 and multiplies the result by 3. The answer is 39. What was the number?

Answer: 21

  1. 3(n − 8) = 39
  2. n − 8 = 13
  3. n = 21
8.Kai thinks of a number, subtracts 12 and multiplies the result by 2. The answer is 14. What was the number?

Answer: 19

  1. 2(n − 12) = 14
  2. n − 12 = 7
  3. n = 19
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