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Year 8 Simplifying Expressions (Like Terms) Worksheet — Level 1 — Practice Set 3 — Answers

Answer sheet with worked solutions for the Year 8 algebraic expressions worksheet.

Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · Algebraic Expressions

Year 8 Simplifying Expressions (Like Terms) Worksheet — Level 1 — Practice Set 3 — Answers

Collect the like terms. Only terms with exactly the same letter and power can be added.

1.Simplify: −2x − 3x + 1

Answer: −5x + 1

  1. −2x − 3x = −5x
2.Simplify: 5x + 7x + 5

Answer: 12x + 5

  1. 5x + 7x = 12x
3.Simplify: −6x − 6x + 3

Answer: −12x + 3

  1. −6x − 6x = −12x
4.Simplify: 7x − 3x + 4

Answer: 4x + 4

  1. 7x − 3x = 4x
5.Simplify: −6x + 4x + 9

Answer: −2x + 9

  1. −6x + 4x = −2x
6.Simplify: 9x + 6x + 6

Answer: 15x + 6

  1. 9x + 6x = 15x
7.Simplify: 3x − 3x + 3

Answer: 3

  1. 3x − 3x = 0
8.Simplify: 3x − 6x + 4

Answer: −3x + 4

  1. 3x − 6x = −3x
9.Simplify: 5x + 5x + 2

Answer: 10x + 2

  1. 5x + 5x = 10x
10.Simplify: 3x + x + 4

Answer: 4x + 4

  1. 3x + x = 4x
11.Simplify: −3x + 7x + 9

Answer: 4x + 9

  1. −3x + 7x = 4x
12.Simplify: 4x − 2x + 7

Answer: 2x + 7

  1. 4x − 2x = 2x
13.Simplify: −x + 9x + 6

Answer: 8x + 6

  1. −x + 9x = 8x
14.Simplify: 8x + 4x + 5

Answer: 12x + 5

  1. 8x + 4x = 12x
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