8th Grade Simplifying Expressions (Like Terms) Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 8th Grade algebraic expressions worksheet.
8th Grade 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: 7x + x + 5
Answer: 8x + 5
- 7x + x = 8x
2.Simplify: −4x + 8x + 6
Answer: 4x + 6
- −4x + 8x = 4x
3.Simplify: 5x + 3x + 1
Answer: 8x + 1
- 5x + 3x = 8x
4.Simplify: 3x + 5x + 6
Answer: 8x + 6
- 3x + 5x = 8x
5.Simplify: 5x − x + 5
Answer: 4x + 5
- 5x − x = 4x
6.Simplify: −4x + 3x + 2
Answer: −x + 2
- −4x + 3x = −x
7.Simplify: −3x + x + 4
Answer: −2x + 4
- −3x + x = −2x
8.Simplify: 4x − 3x + 6
Answer: x + 6
- 4x − 3x = x
9.Simplify: 4x + 8x + 4
Answer: 12x + 4
- 4x + 8x = 12x
10.Simplify: −2x + 8x + 8
Answer: 6x + 8
- −2x + 8x = 6x
11.Simplify: 5x + x + 6
Answer: 6x + 6
- 5x + x = 6x
12.Simplify: 9x + 6x + 8
Answer: 15x + 8
- 9x + 6x = 15x
13.Simplify: −x + 5x + 5
Answer: 4x + 5
- −x + 5x = 4x
14.Simplify: 7x + 6x + 3
Answer: 13x + 3
- 7x + 6x = 13x
Marking tips
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