180-x=3(90+x)

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Solution for 180-x=3(90+x) equation: 



180-x=3(90+x)

We move all terms to the left:

180-x-(3(90+x))=0

We add all the numbers together, and all the variables

-x-(3(x+90))+180=0

We add all the numbers together, and all the variables

-1x-(3(x+90))+180=0



We calculate terms in parentheses: -(3(x+90)), so:

3(x+90)

We multiply parentheses

3x+270

Back to the equation:

-(3x+270)



We get rid of parentheses

-1x-3x-270+180=0

We add all the numbers together, and all the variables

-4x-90=0

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

-4x=90

x=90/-4

x=-22+1/2

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