If 3(x + 4) = x - 28 find x.
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Answer:
x = - 20
Step-by-step explanation:
3(x + 4) = x - 28
3x + 12 = x - 28
3x - x = - 12 - 28
2x = - 40
x = - 40 ÷ 2
x = - 20
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