(3/21)(21/21)=

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Solution for (3/21)(21/21)= equation:


(3/21)(21/21)=0

We simplify the equation to the form, which is simple to understand 
(3/21)*(21/21)=0

Simplifying:
( + 0.142857142857)*(21/21)=0

Simplifying:
( + 0.142857142857)*(+1)=0

Reorder the terms in parentheses
multiplication of parentheses
( + 0.142857142857)=0



Remove unnecessary parentheses
 + 0.142857142857=0

We move all terms containing  to the left and all other terms to the right. 
0=0-0.142857142857

We simplify left and right side of the equation. 
0=-0.142857142857

0=-0.142857142857

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

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