40=(-2x)+40

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Solution for 40=(-2x)+40 equation: 



40=(-2x)+40

We move all terms to the left:

40-((-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+40=0

We add all the numbers together, and all the variables

2x=0

x=0/2

x=0

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