120+0.30x=50+0.80x

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Solution for 120+0.30x=50+0.80x equation: 



120+0.30x=50+0.80x

We move all terms to the left:

120+0.30x-(50+0.80x)=0

We add all the numbers together, and all the variables

0.30x-(0.80x+50)+120=0

We get rid of parentheses

0.30x-0.80x-50+120=0

We add all the numbers together, and all the variables

-0.5x+70=0

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

-0.5x=-70

x=-70/-0.5

x=+140

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