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

Solution for 12(x-1)=-3(4-x)+9x equation:

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

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

Reorder the terms in parentheses
+(+12x-12)=-3*(4-x)+9x

Remove unnecessary parentheses
+12x-12=-3+*(+4-x+)+9x

Reorder the terms in parentheses
+12x-12=+(-12+3x)+9x

Remove unnecessary parentheses
+12x-12=-12+3x+9x

We move all terms containing x to the left and all other terms to the right. 
+12x-3x-9x=-12+12

We simplify left and right side of the equation. 
0x=0

0=0

This equation is an identity, so all real numbers are solutions.