40-(x+7)=8x-3

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Solution for 40-(x+7)=8x-3 equation: 



40-(x+7)=8x-3

We move all terms to the left:

40-(x+7)-(8x-3)=0

We get rid of parentheses

-x-8x-7+3+40=0

We add all the numbers together, and all the variables

-9x+36=0

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

-9x=-36

x=-36/-9

x=+4

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