(x+1)+3(x-1)=-3x

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Solution for (x+1)+3(x-1)=-3x equation: 



(x+1)+3(x-1)=-3x

We move all terms to the left:

(x+1)+3(x-1)-(-3x)=0

We multiply parentheses

(x+1)+3x-(-3x)-3=0

We get rid of parentheses

x+3x+3x+1-3=0

We add all the numbers together, and all the variables

7x-2=0

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

7x=2

x=2/7

x=2/7

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