9th Grade Substitution Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the 9th Grade algebraic expressions worksheet.
Success TutoringWorksheetsAnswer sheet9th Grade · Mathematics · Algebraic Expressions9th Grade Substitution Worksheet — Level 2 — Answers
Replace the letter with the number, then calculate. Use parentheses for negative values.
1.Find the value of −3x − 5 when x = −1
Answer: −2
- −3 × (−1) − 5
- = 3 − 5 = −2
2.Find the value of 3x + 6 when x = −5
Answer: −9
- 3 × (−5) + 6
- = −15 + 6 = −9
3.Find the value of −x + 6 when x = −3
Answer: 9
- −1 × (−3) + 6
- = 3 + 6 = 9
4.Find the value of −2x + 2 when x = 8
Answer: −14
- −2 × 8 + 2
- = −16 + 2 = −14
5.Find the value of 8x when x = 7
Answer: 56
- 8 × 7 + 0
- = 56 + 0 = 56
6.Find the value of −3x + 5 when x = 3
Answer: −4
- −3 × 3 + 5
- = −9 + 5 = −4
7.Find the value of 2x − 8 when x = −6
Answer: −20
- 2 × (−6) − 8
- = −12 − 8 = −20
8.Find the value of −5x + 9 when x = 6
Answer: −21
- −5 × 6 + 9
- = −30 + 9 = −21
9.Find the value of 3x − 1 when x = 1
Answer: 2
- 3 × 1 − 1
- = 3 − 1 = 2
10.Find the value of −4x − 5 when x = 8
Answer: −37
- −4 × 8 − 5
- = −32 − 5 = −37
11.Find the value of 8x − 8 when x = −1
Answer: −16
- 8 × (−1) − 8
- = −8 − 8 = −16
12.Find the value of 4x + 1 when x = −4
Answer: −15
- 4 × (−4) + 1
- = −16 + 1 = −15
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