(3x-9)=(4x-9)

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Solution for (3x-9)=(4x-9) equation: 



(3x-9)=(4x-9)

We move all terms to the left:

(3x-9)-((4x-9))=0

We get rid of parentheses

3x-((4x-9))-9=0



We calculate terms in parentheses: -((4x-9)), so:

(4x-9)

We get rid of parentheses

4x-9

Back to the equation:

-(4x-9)



We get rid of parentheses

3x-4x+9-9=0

We add all the numbers together, and all the variables

-x=0

x=0/-1

x=0

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