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

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



(X-1)+X+(X+1)=-3

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

X+X+X-1+1+3=0

We add all the numbers together, and all the variables

3X+3=0

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

3X=-3

X=-3/3

X=-1

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