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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 + 8

Answer: 5x + 8

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

Answer: −5x + 4

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

Answer: 14x + 2

  1. 8x + 6x = 14x
4.Simplify: 5x − x + 2

Answer: 4x + 2

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

Answer: 4x + 6

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

Answer: 16x + 4

  1. 7x + 9x = 16x
7.Simplify: −6x + x + 3

Answer: −5x + 3

  1. −6x + x = −5x
8.Simplify: 8x + 4x + 9

Answer: 12x + 9

  1. 8x + 4x = 12x
9.Simplify: −2x − 6x + 9

Answer: −8x + 9

  1. −2x − 6x = −8x
10.Simplify: 5x + 9x + 6

Answer: 14x + 6

  1. 5x + 9x = 14x
11.Simplify: 6x + 9x + 1

Answer: 15x + 1

  1. 6x + 9x = 15x
12.Simplify: −2x + 4x + 1

Answer: 2x + 1

  1. −2x + 4x = 2x
13.Simplify: −5x + 9x + 2

Answer: 4x + 2

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

Answer: −3x + 5

  1. x − 4x = −3x
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