8-(-9)-7+2=

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Solution for 8-(-9)-7+2= equation:


8-(-9)-7+2=0

We simplify the equation to the form, which is simple to understand 
8-(-9)-7+2=0

Remove unnecessary parentheses
8+9-7+2=0

We move all terms containing  to the left and all other terms to the right. 
0=0-8-9+7-2

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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