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

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



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

We move all terms to the left:

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

We get rid of parentheses

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



We calculate terms in parentheses: -((9x-21)), so:

(9x-21)

We get rid of parentheses

9x-21

Back to the equation:

-(9x-21)



We get rid of parentheses

8x-9x+21-3=0

We add all the numbers together, and all the variables

-1x+18=0

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

-x=-18

x=-18/-1

x=+18

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