80=39.29+.50x

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Solution for 80=39.29+.50x equation: 



80=39.29+.50x

We move all terms to the left:

80-(39.29+.50x)=0

We add all the numbers together, and all the variables

-(.50x+39.29)+80=0

We get rid of parentheses

-.50x-39.29+80=0

We add all the numbers together, and all the variables

-0.5x+40.71=0

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

-0.5x=-40.71

x=-40.71/-0.5

x=81+0.21/0.5

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