(21-5)8=

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Solution for (21-5)8= equation:


(21-5)8=0

We simplify the equation to the form, which is simple to understand 
(21-5)8=0

Simplifying terms in parentheses
(+16)*8=0

Reorder the terms in parentheses
(+128)=0

Remove unnecessary parentheses
+128=0

We move all terms containing  to the left and all other terms to the right. 
0=0-128

We simplify left and right side of the equation. 
0=-128

0=-128

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

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