2(40+x)=2(40-x)

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



2(40+x)=2(40-x)

We move all terms to the left:

2(40+x)-(2(40-x))=0

We add all the numbers together, and all the variables

2(x+40)-(2(-1x+40))=0

We multiply parentheses

2x-(2(-1x+40))+80=0



We calculate terms in parentheses: -(2(-1x+40)), so:

2(-1x+40)

We multiply parentheses

-2x+80

Back to the equation:

-(-2x+80)



We get rid of parentheses

2x+2x-80+80=0

We add all the numbers together, and all the variables

4x=0

x=0/4

x=0

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