(20x-9)+(10x+9)+x=180

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Solution for (20x-9)+(10x+9)+x=180 equation: 



(20x-9)+(10x+9)+x=180

We move all terms to the left:

(20x-9)+(10x+9)+x-(180)=0

We add all the numbers together, and all the variables

x+(20x-9)+(10x+9)-180=0

We get rid of parentheses

x+20x+10x-9+9-180=0

We add all the numbers together, and all the variables

31x-180=0

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

31x=180

x=180/31

x=5+25/31

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