(-9)+(-8)=

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Solution for (-9)+(-8)= equation:


(-9)+(-8)=0

We simplify the equation to the form, which is simple to understand 
(-9)+(-8)=0

Remove unnecessary parentheses
-9+(-8)=0

Remove unnecessary parentheses
-9-8=0

We move all terms containing  to the left and all other terms to the right. 
0=0+9+8

We simplify left and right side of the equation. 
0=+17

0=17

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

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