-15+(-7)=

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Solution for -15+(-7)= equation:


-15+(-7)=0

We simplify the equation to the form, which is simple to understand 
-15+(-7)=0

Remove unnecessary parentheses
-15-7=0

We move all terms containing  to the left and all other terms to the right. 
0=0+15+7

We simplify left and right side of the equation. 
0=+22

0=22

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

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