X+x-8=-2x+4

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Solution for X+x-8=-2x+4 equation: 



X+X-8=-2X+4

We move all terms to the left:

X+X-8-(-2X+4)=0

We add all the numbers together, and all the variables

2X-(-2X+4)-8=0

We get rid of parentheses

2X+2X-4-8=0

We add all the numbers together, and all the variables

4X-12=0

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

4X=12

X=12/4

X=3

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