9x-(8x+4)=3x-40

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Solution for 9x-(8x+4)=3x-40 equation: 



9x-(8x+4)=3x-40

We move all terms to the left:

9x-(8x+4)-(3x-40)=0

We get rid of parentheses

9x-8x-3x-4+40=0

We add all the numbers together, and all the variables

-2x+36=0

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

-2x=-36

x=-36/-2

x=+18

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