-12-3x=-3(x-4)

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


-12-3x=-3(x-4)

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

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

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

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

We simplify left and right side of the equation. 
0x=+24

0=24

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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