(-7)-(-2)-9=

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


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

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

Remove unnecessary parentheses
-7-(-2)-9=0

Remove unnecessary parentheses
-7+2-9=0

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

We simplify left and right side of the equation. 
0=+14

0=14

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

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