180-x=70+2(90-x)

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Solution for 180-x=70+2(90-x) equation: 



180-x=70+2(90-x)

We move all terms to the left:

180-x-(70+2(90-x))=0

We add all the numbers together, and all the variables

-x-(70+2(-1x+90))+180=0

We add all the numbers together, and all the variables

-1x-(70+2(-1x+90))+180=0



We calculate terms in parentheses: -(70+2(-1x+90)), so:

70+2(-1x+90)

determiningTheFunctionDomain
2(-1x+90)+70

We multiply parentheses

-2x+180+70

We add all the numbers together, and all the variables

-2x+250

Back to the equation:

-(-2x+250)



We get rid of parentheses

-1x+2x-250+180=0

We add all the numbers together, and all the variables

x-70=0

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

x=70

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