Question 421453
5
--- = 5
2r


5 = 10r {multiplied both sides by 2r}
r = 1/2 {divided both sides by 10}


Note:
When you put it in the solver, it probably read it as this:
(5/2)r = 5 {five-halves times r equals 5, rather than 5 over 2r equals 5}
<a href = "http://www.algebrahouse.com/" target = "_blank">www.algebrahouse.com</a>