9(7.7-9)=-11

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Solution for 9(7.7-9)=-11 equation:


9(7.7-9)=-11

We simplify the equation to the form, which is simple to understand 
9(7.7-9)=-11

Reorder the terms in parentheses
+(-11.7)=-11

Remove unnecessary parentheses
-11.7=-11

We move all terms containing  to the left and all other terms to the right. 
0=-11+11.7

We simplify left and right side of the equation. 
0=0.7

0=0.7

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

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