4(x+1)=x-8

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Solution for 4(x+1)=x-8 equation: 



4(x+1)=x-8

We move all terms to the left:

4(x+1)-(x-8)=0

We multiply parentheses

4x-(x-8)+4=0

We get rid of parentheses

4x-x+8+4=0

We add all the numbers together, and all the variables

3x+12=0

We move all terms containing x to the left, all other terms to the right

3x=-12

x=-12/3

x=-4

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