-7+7x-3x=31

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Solution for -7+7x-3x=31 equation: 



-7+7x-3x=31

We move all terms to the left:

-7+7x-3x-(31)=0

We add all the numbers together, and all the variables

4x-38=0

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

4x=38

x=38/4

x=9+1/2

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