(X+9)+7x+x=180

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



(X+9)+7X+X=180

We move all terms to the left:

(X+9)+7X+X-(180)=0

We add all the numbers together, and all the variables

8X+(X+9)-180=0

We get rid of parentheses

8X+X+9-180=0

We add all the numbers together, and all the variables

9X-171=0

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

9X=171

X=171/9

X=19

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