Year 8 Simplifying Expressions (Like Terms) Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 8 algebraic expressions worksheet.
Year 8 Simplifying Expressions (Like Terms) Worksheet — Level 1 — Answers
Collect the like terms. Only terms with exactly the same letter and power can be added.
1.Simplify: 4x + 5x + 4
Answer: 9x + 4
- 4x + 5x = 9x
2.Simplify: 2x + 4x + 6
Answer: 6x + 6
- 2x + 4x = 6x
3.Simplify: −6x − 5x + 5
Answer: −11x + 5
- −6x − 5x = −11x
4.Simplify: −x − 2x + 2
Answer: −3x + 2
- −x − 2x = −3x
5.Simplify: −x + x + 1
Answer: 1
- −x + x = 0
6.Simplify: 5x − 3x + 3
Answer: 2x + 3
- 5x − 3x = 2x
7.Simplify: −6x + 5x + 2
Answer: −x + 2
- −6x + 5x = −x
8.Simplify: 5x − x + 2
Answer: 4x + 2
- 5x − x = 4x
9.Simplify: 4x − 5x + 7
Answer: −x + 7
- 4x − 5x = −x
10.Simplify: 2x + 8x + 7
Answer: 10x + 7
- 2x + 8x = 10x
11.Simplify: 9x + 4x + 2
Answer: 13x + 2
- 9x + 4x = 13x
12.Simplify: 3x + 2x + 5
Answer: 5x + 5
- 3x + 2x = 5x
13.Simplify: 6x + 4x + 5
Answer: 10x + 5
- 6x + 4x = 10x
14.Simplify: −2x + 9x + 8
Answer: 7x + 8
- −2x + 9x = 7x
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
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