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