90+x+2(x+3)=180

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Solution for 90+x+2(x+3)=180 equation: 



90+x+2(x+3)=180

We move all terms to the left:

90+x+2(x+3)-(180)=0

We add all the numbers together, and all the variables

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

We multiply parentheses

x+2x+6-90=0

We add all the numbers together, and all the variables

3x-84=0

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

3x=84

x=84/3

x=28

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