-7x-9=-2x=31

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Solution for -7x-9=-2x=31 equation: 



-7x-9=-2x=31

We move all terms to the left:

-7x-9-(-2x)=0

We get rid of parentheses

-7x+2x-9=0

We add all the numbers together, and all the variables

-5x-9=0

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

-5x=9

x=9/-5

x=-1+4/5

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