(9x-28)=(8x-7)=180

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Solution for (9x-28)=(8x-7)=180 equation: 



(9x-28)=(8x-7)=180

We move all terms to the left:

(9x-28)-((8x-7))=0

We get rid of parentheses

9x-((8x-7))-28=0



We calculate terms in parentheses: -((8x-7)), so:

(8x-7)

We get rid of parentheses

8x-7

Back to the equation:

-(8x-7)



We get rid of parentheses

9x-8x+7-28=0

We add all the numbers together, and all the variables

x-21=0

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

x=21

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