9(x-9)=7(x+4)

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Solution for 9(x-9)=7(x+4) equation: 



9(x-9)=7(x+4)

We move all terms to the left:

9(x-9)-(7(x+4))=0

We multiply parentheses

9x-(7(x+4))-81=0



We calculate terms in parentheses: -(7(x+4)), so:

7(x+4)

We multiply parentheses

7x+28

Back to the equation:

-(7x+28)



We get rid of parentheses

9x-7x-28-81=0

We add all the numbers together, and all the variables

2x-109=0

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

2x=109

x=109/2

x=54+1/2

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