(x+1)-2(x-1)+8=4

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Solution for (x+1)-2(x-1)+8=4 equation: 



(x+1)-2(x-1)+8=4

We move all terms to the left:

(x+1)-2(x-1)+8-(4)=0

We add all the numbers together, and all the variables

(x+1)-2(x-1)+4=0

We multiply parentheses

(x+1)-2x+2+4=0

We get rid of parentheses

x-2x+1+2+4=0

We add all the numbers together, and all the variables

-1x+7=0

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

-x=-7

x=-7/-1

x=+7

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