80+.2x=30+.7x

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Solution for 80+.2x=30+.7x equation: 



80+.2x=30+.7x

We move all terms to the left:

80+.2x-(30+.7x)=0

We add all the numbers together, and all the variables

.2x-(.7x+30)+80=0

We get rid of parentheses

.2x-.7x-30+80=0

We add all the numbers together, and all the variables

-0.5x+50=0

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

-0.5x=-50

x=-50/-0.5

x=+100

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