-4-2x=7x-31

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Solution for -4-2x=7x-31 equation: 



-4-2x=7x-31

We move all terms to the left:

-4-2x-(7x-31)=0

We get rid of parentheses

-2x-7x+31-4=0

We add all the numbers together, and all the variables

-9x+27=0

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

-9x=-27

x=-27/-9

x=+3

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