-40=-9x-7

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



-40=-9x-7

We move all terms to the left:

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

We get rid of parentheses

9x+7-40=0

We add all the numbers together, and all the variables

9x-33=0

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

9x=33

x=33/9

x=3+2/3

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