80=(19x+2)+(-2+21x)=180

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Solution for 80=(19x+2)+(-2+21x)=180 equation: 



80=(19x+2)+(-2+21x)=180

We move all terms to the left:

80-((19x+2)+(-2+21x))=0

We add all the numbers together, and all the variables

-((19x+2)+(21x-2))+80=0



We calculate terms in parentheses: -((19x+2)+(21x-2)), so:

(19x+2)+(21x-2)

We get rid of parentheses

19x+21x+2-2

We add all the numbers together, and all the variables

40x

Back to the equation:

-(40x)



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

-40x=-80

x=-80/-40

x=+2

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