(4x+90)+(7x-9)=180

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Solution for (4x+90)+(7x-9)=180 equation: 



(4x+90)+(7x-9)=180

We move all terms to the left:

(4x+90)+(7x-9)-(180)=0

We get rid of parentheses

4x+7x+90-9-180=0

We add all the numbers together, and all the variables

11x-99=0

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

11x=99

x=99/11

x=9

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