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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