(=2x+40)

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Solution for (=2x+40) equation: 



(=2x+40)

We move all terms to the left:

(-(2x+40))=0



We calculate terms in parentheses: +(-(2x+40)), so:

-(2x+40)

We get rid of parentheses

-2x-40

Back to the equation:

+(-2x-40)



We get rid of parentheses

-2x-40=0

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

-2x=40

x=40/-2

x=-20

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