13-(-21)+(-5)=

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Solution for 13-(-21)+(-5)= equation:


13-(-21)+(-5)=0

We simplify the equation to the form, which is simple to understand 
13-(-21)+(-5)=0

Remove unnecessary parentheses
13+21+(-5)=0

Remove unnecessary parentheses
+13+21-5=0

We move all terms containing  to the left and all other terms to the right. 
0=0-13-21+5

We simplify left and right side of the equation. 
0=-29

0=-29

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

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