X=2+3(90-x)

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Solution for X=2+3(90-x) equation: 



X=2+3(90-X)

We move all terms to the left:

X-(2+3(90-X))=0

We add all the numbers together, and all the variables

X-(2+3(-1X+90))=0



We calculate terms in parentheses: -(2+3(-1X+90)), so:

2+3(-1X+90)

determiningTheFunctionDomain
3(-1X+90)+2

We multiply parentheses

-3X+270+2

We add all the numbers together, and all the variables

-3X+272

Back to the equation:

-(-3X+272)



We get rid of parentheses

X+3X-272=0

We add all the numbers together, and all the variables

4X-272=0

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

4X=272

X=272/4

X=68

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