7th Grade Simplifying Expressions (Like Terms) Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the 7th Grade algebraic expressions worksheet.
7th Grade 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: 4x + 8x + 7
Answer: 12x + 7
- 4x + 8x = 12x
2.Simplify: −4x − 4x + 6
Answer: −8x + 6
- −4x − 4x = −8x
3.Simplify: 8x + 9x + 6
Answer: 17x + 6
- 8x + 9x = 17x
4.Simplify: 3x − 2x + 2
Answer: x + 2
- 3x − 2x = x
5.Simplify: 4x − 4x + 3
Answer: 3
- 4x − 4x = 0
6.Simplify: 3x + 4x + 4
Answer: 7x + 4
- 3x + 4x = 7x
7.Simplify: 6x − 3x + 1
Answer: 3x + 1
- 6x − 3x = 3x
8.Simplify: −6x + 6x + 1
Answer: 1
- −6x + 6x = 0
9.Simplify: x + 9x + 4
Answer: 10x + 4
- x + 9x = 10x
10.Simplify: −4x + x + 4
Answer: −3x + 4
- −4x + x = −3x
11.Simplify: −6x + 4x + 5
Answer: −2x + 5
- −6x + 4x = −2x
12.Simplify: −2x + x + 6
Answer: −x + 6
- −2x + x = −x
13.Simplify: x − 2x + 8
Answer: −x + 8
- x − 2x = −x
14.Simplify: 8x + 9x + 1
Answer: 17x + 1
- 8x + 9x = 17x
Marking tips
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