3/r-4=2/5r

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Solution for 3/r-4=2/5r equation:


3/r-4=2/5r

We simplify the equation to the form, which is simple to understand 
3/r-4=2/5r

We move all terms containing r to the left and all other terms to the right. 
+1r-5r=+4

We simplify left and right side of the equation. 
-4r=+4

We divide both sides of the equation by -4 to get r. 
r=-1

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