Question

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Answer 1

x = -12

Explanation:

1. Distribute : 45 - 5x = 105

2. Subtract : -5x = 60

3. Divide : x = -12

Answer 2

`x = - 12`

Explanation:

`- 5( - 9 + x) = 105 \\ 45 - 5x = 105 \\ - 5x = 105 - 45 \\ - 5x = 60 \\ ( - 5x)/( - 5) = (60)/( - 5) \\ x = -12`