(11)+(-9)=

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Solution for (11)+(-9)= equation:


(11)+(-9)=0

We simplify the equation to the form, which is simple to understand 
(11)+(-9)=0

Remove unnecessary parentheses
11+(-9)=0

Remove unnecessary parentheses
+11-9=0

We move all terms containing  to the left and all other terms to the right. 
0=0-11+9

We simplify left and right side of the equation. 
0=-2

0=-2

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

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