70+.20x=30+.40x

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Solution for 70+.20x=30+.40x equation: 



70+.20x=30+.40x

We move all terms to the left:

70+.20x-(30+.40x)=0

We add all the numbers together, and all the variables

.20x-(.40x+30)+70=0

We get rid of parentheses

.20x-.40x-30+70=0

We add all the numbers together, and all the variables

-0.2x+40=0

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

-0.2x=-40

x=-40/-0.2

x=+200

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