9+1.3-1-7(1.3)=

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Solution for 9+1.3-1-7(1.3)= equation:


9+1.3-1-7(1.3)=0

We simplify the equation to the form, which is simple to understand 
9+1.3-1-7(1.3)=0

Reorder the terms in parentheses
9+1.3-1+(-9.1)=0

Remove unnecessary parentheses
+9+1.3-1-9.1=0

We move all terms containing  to the left and all other terms to the right. 
0=0-9-1.3+1+9.1

We simplify left and right side of the equation. 
0=-0.2

0=-0.2

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

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