-7x-9=-40

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Solution for -7x-9=-40 equation: 



-7x-9=-40

We move all terms to the left:

-7x-9-(-40)=0

We add all the numbers together, and all the variables

-7x+31=0

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

-7x=-31

x=-31/-7

x=4+3/7

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