56+(-21)=

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Solution for 56+(-21)= equation:


56+(-21)=0

We simplify the equation to the form, which is simple to understand 
56+(-21)=0

Remove unnecessary parentheses
+56-21=0

We move all terms containing  to the left and all other terms to the right. 
0=0-56+21

We simplify left and right side of the equation. 
0=-35

0=-35

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

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