10=1/2(7)-9

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Solution for 10=1/2(7)-9 equation:


10=1/2(7)-9

We simplify the equation to the form, which is simple to understand 
10=1/2(7)-9

Reorder the terms in parentheses
10=+(+3.5)-9

Remove unnecessary parentheses
+10=+3.5-9

We move all terms containing  to the left and all other terms to the right. 
0=+3.5-9-10

We simplify left and right side of the equation. 
0=-15.5

0=-15.5

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

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