4(180-x)=x-90

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Solution for 4(180-x)=x-90 equation: 



4(180-x)=x-90

We move all terms to the left:

4(180-x)-(x-90)=0

We add all the numbers together, and all the variables

4(-1x+180)-(x-90)=0

We multiply parentheses

-4x-(x-90)+720=0

We get rid of parentheses

-4x-x+90+720=0

We add all the numbers together, and all the variables

-5x+810=0

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

-5x=-810

x=-810/-5

x=+162

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