X+7=-15+3x

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Solution for X+7=-15+3x equation: 



X+7=-15+3X

We move all terms to the left:

X+7-(-15+3X)=0

We add all the numbers together, and all the variables

X-(3X-15)+7=0

We get rid of parentheses

X-3X+15+7=0

We add all the numbers together, and all the variables

-2X+22=0

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

-2X=-22

X=-22/-2

X=+11

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