80-2x=20+x

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Solution for 80-2x=20+x equation: 



80-2x=20+x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-2x-x-20+80=0

We add all the numbers together, and all the variables

-3x+60=0

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

-3x=-60

x=-60/-3

x=+20

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