90-x=3(180-x)-122

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Solution for 90-x=3(180-x)-122 equation: 



90-x=3(180-x)-122

We move all terms to the left:

90-x-(3(180-x)-122)=0

We add all the numbers together, and all the variables

-x-(3(-1x+180)-122)+90=0

We add all the numbers together, and all the variables

-1x-(3(-1x+180)-122)+90=0



We calculate terms in parentheses: -(3(-1x+180)-122), so:

3(-1x+180)-122

We multiply parentheses

-3x+540-122

We add all the numbers together, and all the variables

-3x+418

Back to the equation:

-(-3x+418)



We get rid of parentheses

-1x+3x-418+90=0

We add all the numbers together, and all the variables

2x-328=0

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

2x=328

x=328/2

x=164

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