Question

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Answer 1

1. 2× -7 = -3

2× = -3 + 7

2× = 4

× = 4 ÷ 2

× = 2

2. 3× + 5 = -1

3× = -1 - 5

3× = -6

× = -6 ÷ 3

× = -2

3. 2× - 8 = 10

2× = 10 + 8

2× = 18

× = 18 ÷ 2

× = 9

4. 5× - 7 + 2× = 4× +

5× + 2× - 4× = 5 + 7

3× = 12

× = 12 ÷ 3

× = 4

5. 5× - 2× - 4 = × + 7 - 5

5× - 2× - 1× = 7 - 5 + 4

2× = 6

× = 6 ÷ 2

× = 3

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