80=2(x+3x)

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Solution for 80=2(x+3x) equation: 



80=2(x+3x)

We move all terms to the left:

80-(2(x+3x))=0

We add all the numbers together, and all the variables

-(2(+4x))+80=0



We calculate terms in parentheses: -(2(+4x)), so:

2(+4x)

We multiply parentheses

8x

Back to the equation:

-(8x)



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

-8x=-80

x=-80/-8

x=+10

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