X-12=7x-31

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Solution for X-12=7x-31 equation: 



X-12=7X-31

We move all terms to the left:

X-12-(7X-31)=0

We get rid of parentheses

X-7X+31-12=0

We add all the numbers together, and all the variables

-6X+19=0

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

-6X=-19

X=-19/-6

X=3+1/6

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