The solution of the equation 3(x + 1) = 12 + 4(x - 1) is
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3 ( x + 1 ) = 12 + 4 ( x - 1 )
3x + 3 = 12 + 4x - 4
3x - 4x = 12 - 4 - 3
- x = 5
x = - 5 ➡ Answer
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Answer:
-5
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