(-3)(-1)+(-3)=12

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


(-3)(-1)+(-3)=12

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

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



Remove unnecessary parentheses
+3+(-3)=12

Remove unnecessary parentheses
+3-3=+12

We move all terms containing to the left and all other terms to the right.
0=+12-3+3

We simplify left and right side of the equation.
0=+12

0=12

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

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