21/2-5=

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Solution for 21/2-5= equation:


21/2-5=0

We simplify the equation to the form, which is simple to understand 
21/2-5=0

Simplifying:
+10.5-5=0

We move all terms containing  to the left and all other terms to the right. 
0=0-10.5+5

We simplify left and right side of the equation. 
0=-5.5

0=-5.5

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

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