180-x=9(90-x)+180

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Solution for 180-x=9(90-x)+180 equation: 



180-x=9(90-x)+180

We move all terms to the left:

180-x-(9(90-x)+180)=0

We add all the numbers together, and all the variables

-x-(9(-1x+90)+180)+180=0

We add all the numbers together, and all the variables

-1x-(9(-1x+90)+180)+180=0



We calculate terms in parentheses: -(9(-1x+90)+180), so:

9(-1x+90)+180

We multiply parentheses

-9x+810+180

We add all the numbers together, and all the variables

-9x+990

Back to the equation:

-(-9x+990)



We get rid of parentheses

-1x+9x-990+180=0

We add all the numbers together, and all the variables

8x-810=0

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

8x=810

x=810/8

x=101+1/4

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