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Year 9 Simplifying Expressions (Like Terms) Worksheet — Level 1 — Practice Set 4 — Answers

Answer sheet with worked solutions for the Year 9 algebraic expressions worksheet.

Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · Algebraic Expressions

Year 9 Simplifying Expressions (Like Terms) Worksheet — Level 1 — Practice Set 4 — Answers

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

1.Simplify: 2x − 3x + 4

Answer: −x + 4

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

Answer: −x + 2

  1. x − 2x = −x
3.Simplify: −5x + 6x + 4

Answer: x + 4

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

Answer: 8x + 9

  1. −x + 9x = 8x
5.Simplify: 8x − 3x + 5

Answer: 5x + 5

  1. 8x − 3x = 5x
6.Simplify: −4x − 4x + 2

Answer: −8x + 2

  1. −4x − 4x = −8x
7.Simplify: x + 9x + 8

Answer: 10x + 8

  1. x + 9x = 10x
8.Simplify: 4x + x + 5

Answer: 5x + 5

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

Answer: −7x + 4

  1. −6x − x = −7x
10.Simplify: x + 5x + 1

Answer: 6x + 1

  1. x + 5x = 6x
11.Simplify: 7x + 3x + 5

Answer: 10x + 5

  1. 7x + 3x = 10x
12.Simplify: 4x − 6x + 2

Answer: −2x + 2

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

Answer: −5x + 2

  1. x − 6x = −5x
14.Simplify: 6x − 3x + 6

Answer: 3x + 6

  1. 6x − 3x = 3x
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