2x+80=2.80(x+20)

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Solution for 2x+80=2.80(x+20) equation: 



2x+80=2.80(x+20)

We move all terms to the left:

2x+80-(2.80(x+20))=0



We calculate terms in parentheses: -(2.80(x+20)), so:

2.80(x+20)

We multiply parentheses

2.8x+56

Back to the equation:

-(2.8x+56)



We get rid of parentheses

2x-2.8x-56+80=0

We add all the numbers together, and all the variables

-0.8x+24=0

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

-0.8x=-24

x=-24/-0.8

x=+30

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