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Question
Solve the following equation:
3(x + 1) = 12 + 4(x - 1)
Solution
3(x + 1) = 12 + 4(x – 1)
3x + 3 = 12 + 4x – 4
3x – 4x = 12 – 4 – 3
-x = 5
x = -5
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