10+9=2(180-x)

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Solution for 10+9=2(180-x) equation: 



10+9=2(180-x)

We move all terms to the left:

10+9-(2(180-x))=0

We add all the numbers together, and all the variables

-(2(-1x+180))+10+9=0

We add all the numbers together, and all the variables

-(2(-1x+180))+19=0



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

2(-1x+180)

We multiply parentheses

-2x+360

Back to the equation:

-(-2x+360)



We get rid of parentheses

2x-360+19=0

We add all the numbers together, and all the variables

2x-341=0

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

2x=341

x=341/2

x=170+1/2

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