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| Find the value of the algebraic expression by substituting the given value of the variable. |
1. If j = -18 then -7 + j = _______
Answer: -25-7 + j = -7 + -18 = -25
2. If f = 8 then -4 + f = _______
Answer: 4-4 + f = -4 + 8 = 4
3. If g = 5 then 8 − g = _______
Answer: 38 − g = 8 − 5 = 3
4. If h = 18 then -8 + h = _______
Answer: 10-8 + h = -8 + 18 = 10
5. If d = 21 then d − 9 = _______
Answer: 12d − 9 = 21 − 9 = 12
6. If y = 14 then y − 4 = _______
Answer: 10y − 4 = 14 − 4 = 10
7. If r = 10 then -r + 20 = _______
Answer: 10-r + 20 = -10 + 20 = 10
8. If a = 8 then -9 + a + 6 = _______
Answer: 5-9 + a + 6 = -9 + 8 + 6 = 5
9. If g = 8 then -12 − g + 5 = _______
Answer: -15-12 − g + 5 = -12 − 8 + 5 = -15
10. If q = -20 then q −11 + 9 = _______
Answer: -22q −11 + 9 = -20 − 11 + 9 = -22
11. If p = 9 then p × -6 = _______
Answer: -54p × -6 = 9 × -6 = -54
12. If b = -6 then b × 7 = _______
Answer: -42b × 7 = -6 × 7 = -42
13. If z = 6 then 8 × -z = _______
Answer: -488 × -z = 8 × -6 = -48
14. If p = 11 then -7 × -p = _______
Answer: 77-7 × -p = -7 × -11 = 77
15. If r = -8 then -4 × -r = _______
Answer: -32-4 × -r = -4 × - -8 = -32
16. If s = 3 then 12 ÷ s = _______
Answer: 412 ÷ s = 12 ÷ 3 = 4
17. If h = -7 then 49 ÷ h = _______
Answer: -749 ÷ h = 49 ÷ -7 = -7
18. If j = 28 then -j ÷ 4 = _______
Answer: -7-j ÷ 4 = -28 ÷ 4 = -7
19. If e = 14 then e ÷ -2 = _______
Answer: -7e ÷ -2 = 14 ÷ -2 = -7
20. If q = 55 then -q ÷ -5 = _______
Answer: 11-q ÷ 5 = -55 ÷ -5 = 11
Try the Quiz : Algebraic Expressions - Evaluation 2
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