80=(2*x)-4

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Solution for 80=(2*x)-4 equation: 



80=(2x)-4

We move all terms to the left:

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

We get rid of parentheses

-2x+4+80=0

We add all the numbers together, and all the variables

-2x+84=0

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

-2x=-84

x=-84/-2

x=+42

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