-8/9*9/21=

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Solution for -8/9*9/21= equation:


-8/9*9/21=0

We simplify the equation to the form, which is simple to understand 
-8/9*9/21=0

Simplifying:
-8/81/21=0

Simplifying:
-0.0987654320988/21=0

Simplifying:
-0.00470311581423=0

We move all terms containing  to the left and all other terms to the right. 
0=0 + 0.00470311581423

We simplify left and right side of the equation. 
0=0.00470311581423

0=0.00470311581423

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

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