x=2(90-x)+12

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Solution for x=2(90-x)+12 equation: 



x=2(90-x)+12

We move all terms to the left:

x-(2(90-x)+12)=0

We add all the numbers together, and all the variables

x-(2(-1x+90)+12)=0



We calculate terms in parentheses: -(2(-1x+90)+12), so:

2(-1x+90)+12

We multiply parentheses

-2x+180+12

We add all the numbers together, and all the variables

-2x+192

Back to the equation:

-(-2x+192)



We get rid of parentheses

x+2x-192=0

We add all the numbers together, and all the variables

3x-192=0

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

3x=192

x=192/3

x=64

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