x=2(180-x)+40

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Solution for x=2(180-x)+40 equation: 



x=2(180-x)+40

We move all terms to the left:

x-(2(180-x)+40)=0

We add all the numbers together, and all the variables

x-(2(-1x+180)+40)=0



We calculate terms in parentheses: -(2(-1x+180)+40), so:

2(-1x+180)+40

We multiply parentheses

-2x+360+40

We add all the numbers together, and all the variables

-2x+400

Back to the equation:

-(-2x+400)



We get rid of parentheses

x+2x-400=0

We add all the numbers together, and all the variables

3x-400=0

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

3x=400

x=400/3

x=133+1/3

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