9x-31x+12=8x-7

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Solution for 9x-31x+12=8x-7 equation: 



9x-31x+12=8x-7

We move all terms to the left:

9x-31x+12-(8x-7)=0

We add all the numbers together, and all the variables

-22x-(8x-7)+12=0

We get rid of parentheses

-22x-8x+7+12=0

We add all the numbers together, and all the variables

-30x+19=0

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

-30x=-19

x=-19/-30

x=19/30

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