-12--20=

Simple and best practice solution for -12--20= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

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Solution for -12--20= equation:


-12--20=0

We simplify the equation to the form, which is simple to understand 
-12+20=0

We move all terms containing  to the left and all other terms to the right. 
0=0+12-20

We simplify left and right side of the equation. 
0=-8

0=-8

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

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