5(3x-9)-12=12-7(x-9)

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Solution for 5(3x-9)-12=12-7(x-9) equation: 



5(3x-9)-12=12-7(x-9)

We move all terms to the left:

5(3x-9)-12-(12-7(x-9))=0

We multiply parentheses

15x-(12-7(x-9))-45-12=0



We calculate terms in parentheses: -(12-7(x-9)), so:

12-7(x-9)

determiningTheFunctionDomain
-7(x-9)+12

We multiply parentheses

-7x+63+12

We add all the numbers together, and all the variables

-7x+75

Back to the equation:

-(-7x+75)



We add all the numbers together, and all the variables

15x-(-7x+75)-57=0

We get rid of parentheses

15x+7x-75-57=0

We add all the numbers together, and all the variables

22x-132=0

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

22x=132

x=132/22

x=6

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