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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