390.21=180+0.91x

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Solution for 390.21=180+0.91x equation: 



390.21=180+0.91x

We move all terms to the left:

390.21-(180+0.91x)=0

We add all the numbers together, and all the variables

-(0.91x+180)+390.21=0

We get rid of parentheses

-0.91x-180+390.21=0

We add all the numbers together, and all the variables

-0.91x+210.21=0

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

-0.91x=-210.21

x=-210.21/-0.91

x=+231

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