(9x-21)=(8x-3)

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Solution for (9x-21)=(8x-3) equation: 



(9x-21)=(8x-3)

We move all terms to the left:

(9x-21)-((8x-3))=0

We get rid of parentheses

9x-((8x-3))-21=0



We calculate terms in parentheses: -((8x-3)), so:

(8x-3)

We get rid of parentheses

8x-3

Back to the equation:

-(8x-3)



We get rid of parentheses

9x-8x+3-21=0

We add all the numbers together, and all the variables

x-18=0

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

x=18

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