Year 9 Simplifying Expressions (Like Terms) Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 9 algebraic expressions worksheet.
Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · Algebraic ExpressionsYear 9 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 − 2x + 1
Answer: −4x + 1
- −2x − 2x = −4x
2.Simplify: 9x − 5x + 7
Answer: 4x + 7
- 9x − 5x = 4x
3.Simplify: 5x + 9x + 3
Answer: 14x + 3
- 5x + 9x = 14x
4.Simplify: −4x − 4x + 1
Answer: −8x + 1
- −4x − 4x = −8x
5.Simplify: x − x + 5
Answer: 5
- x − x = 0
6.Simplify: 8x + 3x + 6
Answer: 11x + 6
- 8x + 3x = 11x
7.Simplify: 2x + 6x + 1
Answer: 8x + 1
- 2x + 6x = 8x
8.Simplify: −6x + 7x + 1
Answer: x + 1
- −6x + 7x = x
9.Simplify: 5x + x + 3
Answer: 6x + 3
- 5x + x = 6x
10.Simplify: 2x + 6x + 3
Answer: 8x + 3
- 2x + 6x = 8x
11.Simplify: 9x − 5x + 6
Answer: 4x + 6
- 9x − 5x = 4x
12.Simplify: 5x − 5x + 6
Answer: 6
- 5x − 5x = 0
13.Simplify: 3x − x + 6
Answer: 2x + 6
- 3x − x = 2x
14.Simplify: 3x + 6x + 9
Answer: 9x + 9
- 3x + 6x = 9x
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