Year 10 Substitution Worksheet — Level 2 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 10 algebraic expressions worksheet.
Success TutoringWorksheetsAnswer sheetYear 10 · Mathematics · Algebraic ExpressionsYear 10 Substitution Worksheet — Level 2 — Practice Set 2 — Answers
Replace the letter with the number, then calculate. Use brackets for negative values.
1.Find the value of −5x + 6 when x = −2
Answer: 16
- −5 × (−2) + 6
- = 10 + 6 = 16
2.Find the value of −3x + 8 when x = 4
Answer: −4
- −3 × 4 + 8
- = −12 + 8 = −4
3.Find the value of −x + 7 when x = −2
Answer: 9
- −1 × (−2) + 7
- = 2 + 7 = 9
4.Find the value of 7x + 4 when x = 9
Answer: 67
- 7 × 9 + 4
- = 63 + 4 = 67
5.Find the value of 2x − 4 when x = −6
Answer: −16
- 2 × (−6) − 4
- = −12 − 4 = −16
6.Find the value of 2x + 5 when x = 9
Answer: 23
- 2 × 9 + 5
- = 18 + 5 = 23
7.Find the value of −3x − 6 when x = −2
Answer: 0
- −3 × (−2) − 6
- = 6 − 6 = 0
8.Find the value of 6x + 6 when x = 7
Answer: 48
- 6 × 7 + 6
- = 42 + 6 = 48
9.Find the value of 4x + 4 when x = 9
Answer: 40
- 4 × 9 + 4
- = 36 + 4 = 40
10.Find the value of 6x + 6 when x = −3
Answer: −12
- 6 × (−3) + 6
- = −18 + 6 = −12
11.Find the value of −4x + 2 when x = 8
Answer: −30
- −4 × 8 + 2
- = −32 + 2 = −30
12.Find the value of −5x + 4 when x = −2
Answer: 14
- −5 × (−2) + 4
- = 10 + 4 = 14
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