-3x+7+x=-13

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Solution for -3x+7+x=-13 equation: 



-3x+7+x=-13

We move all terms to the left:

-3x+7+x-(-13)=0

We add all the numbers together, and all the variables

-2x+20=0

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

-2x=-20

x=-20/-2

x=+10

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