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3(x-4)=x+(-12)+2x
We simplify the equation to the form, which is simple to understand
3(x-4)=x+(-12)+2x
Reorder the terms in parentheses
+(+3x-12)=x+(-12)+2x
Remove unnecessary parentheses
+3x-12=+x+(-12+)+2x
Remove unnecessary parentheses
+3x-12=+x-12+2x
We move all terms containing x to the left and all other terms to the right.
+3x-1x-2x=-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.
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