7x+(2x+20)=180

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Solution for 7x+(2x+20)=180 equation: 



7x+(2x+20)=180

We move all terms to the left:

7x+(2x+20)-(180)=0

We get rid of parentheses

7x+2x+20-180=0

We add all the numbers together, and all the variables

9x-160=0

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

9x=160

x=160/9

x=17+7/9

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