(11x-9)+(7x-9)=180

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Solution for (11x-9)+(7x-9)=180 equation: 



(11x-9)+(7x-9)=180

We move all terms to the left:

(11x-9)+(7x-9)-(180)=0

We get rid of parentheses

11x+7x-9-9-180=0

We add all the numbers together, and all the variables

18x-198=0

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

18x=198

x=198/18

x=11

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