90+(5x-12)+(4x+30)=180

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Solution for 90+(5x-12)+(4x+30)=180 equation: 



90+(5x-12)+(4x+30)=180

We move all terms to the left:

90+(5x-12)+(4x+30)-(180)=0

We add all the numbers together, and all the variables

(5x-12)+(4x+30)-90=0

We get rid of parentheses

5x+4x-12+30-90=0

We add all the numbers together, and all the variables

9x-72=0

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

9x=72

x=72/9

x=8

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