Question

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Answer 1

1) x + 15 = 25

x = 25 - 15

x = 10

2) a + 5 = 30

a = 30 - 5

a = 25

3) x - 8 = 24

x = 24 + 8

x = 32

4) x - 12 = 40

x = 40 + 12

x = 52

5) x/4 = 14

x/4 × 4 = 14 × 4

x = 14 × 4

x = 56

6) b/8 = 20

b/8 × 8 = 20 × 8

b = 20 × 8

b = 160

7) 6x = 36

6x ÷ 6 = 36 ÷ 6

x = 6

8) 10x = 85

10x ÷ 10 = 85 ÷ 10

x = 8.5