(x+1)+(9x-21)=180

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Solution for (x+1)+(9x-21)=180 equation: 



(x+1)+(9x-21)=180

We move all terms to the left:

(x+1)+(9x-21)-(180)=0

We get rid of parentheses

x+9x+1-21-180=0

We add all the numbers together, and all the variables

10x-200=0

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

10x=200

x=200/10

x=20

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