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

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


-4(3x-3)+9(x+1)=0

We simplify the equation to the form, which is simple to understand 
-4(3x-3)+9(x+1)=0

Reorder the terms in parentheses
+(-12x+12)+9*(x+1)=0

Remove unnecessary parentheses
-12x+12+9+*(+x+1+)=0

Reorder the terms in parentheses
-12x+12+(+9x+9)=0

Remove unnecessary parentheses
-12x+12+9x+9=0

We move all terms containing x to the left and all other terms to the right. 
-12x+9x=0-12-9

We simplify left and right side of the equation. 
-3x=-21

We divide both sides of the equation by -3 to get x. 
x=7

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