r-2/5-r=0

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Solution for r-2/5-r=0 equation:


r-2/5-r=0

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

Simplifying:
r-0.4-r=0

We move all terms containing r to the left and all other terms to the right. 
+1r-1r=0 + 0.4

We simplify left and right side of the equation. 
r=0.4

0=0.4

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

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