70+0.20x=30+0.40x

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Solution for 70+0.20x=30+0.40x equation: 



70+0.20x=30+0.40x

We move all terms to the left:

70+0.20x-(30+0.40x)=0

We add all the numbers together, and all the variables

0.20x-(0.40x+30)+70=0

We get rid of parentheses

0.20x-0.40x-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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