1/2(18)-9=

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Solution for 1/2(18)-9= equation:


1/2(18)-9=0

We simplify the equation to the form, which is simple to understand 
1/2(18)-9=0

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

Remove unnecessary parentheses
+9-9=0

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

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

0=0

This equation is an identity, so all real numbers are solutions.

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