x-4(x-3)=9(x+1)

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Solution for x-4(x-3)=9(x+1) equation:



x-4(x-3)=9(x+1)
We move all terms to the left:
x-4(x-3)-(9(x+1))=0
We multiply parentheses
x-4x-(9(x+1))+12=0
We calculate terms in parentheses: -(9(x+1)), so:
9(x+1)
We multiply parentheses
9x+9
Back to the equation:
-(9x+9)
We add all the numbers together, and all the variables
-3x-(9x+9)+12=0
We get rid of parentheses
-3x-9x-9+12=0
We add all the numbers together, and all the variables
-12x+3=0
We move all terms containing x to the left, all other terms to the right
-12x=-3
x=-3/-12
x=1/4

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