80+.2m=30+.7m

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



80+.2m=30+.7m

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-0.5m+50=0

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

-0.5m=-50

m=-50/-0.5

m=+100

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