120+0.20x=50+0.40x

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Solution for 120+0.20x=50+0.40x equation: 



120+0.20x=50+0.40x

We move all terms to the left:

120+0.20x-(50+0.40x)=0

We add all the numbers together, and all the variables

0.20x-(0.40x+50)+120=0

We get rid of parentheses

0.20x-0.40x-50+120=0

We add all the numbers together, and all the variables

-0.2x+70=0

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

-0.2x=-70

x=-70/-0.2

x=+350

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