2+(-9)-11+(-13)=-7

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Solution for 2+(-9)-11+(-13)=-7 equation:


2+(-9)-11+(-13)=-7

We simplify the equation to the form, which is simple to understand 
2+(-9)-11+(-13)=-7

Remove unnecessary parentheses
+2-9-11+(-13+)=-7

Remove unnecessary parentheses
+2-9-11-13=-7

We move all terms containing  to the left and all other terms to the right. 
0=-7-2+9+11+13

We simplify left and right side of the equation. 
0=+24

0=24

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

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