-12(x-12)=9(1+7x)=

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Solution for -12(x-12)=9(1+7x)= equation:



-12(x-12)=9(1+7x)=
We move all terms to the left:
-12(x-12)-(9(1+7x))=0
We add all the numbers together, and all the variables
-12(x-12)-(9(7x+1))=0
We multiply parentheses
-12x-(9(7x+1))+144=0
We calculate terms in parentheses: -(9(7x+1)), so:
9(7x+1)
We multiply parentheses
63x+9
Back to the equation:
-(63x+9)
We get rid of parentheses
-12x-63x-9+144=0
We add all the numbers together, and all the variables
-75x+135=0
We move all terms containing x to the left, all other terms to the right
-75x=-135
x=-135/-75
x=1+4/5

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