Question

What's the answer for proportions 5/r-9=8/r+5

Answer 1

Is it like this ?

`\text{ }\frac{5}{r\text{ - 9}}\text{ = }\frac{8}{r\text{ + 5}}\text{ ???}`
`\begin{gathered} \text{ 8(r - 9) = 5(r + 5)} \\ \text{ 8r - 72 = 5r + 25} \end{gathered}`
`\begin{gathered} \text{ 8r - 5r = 72 + 25} \\ \text{ 3r = 97} \\ \text{ r = }(97)/(3) \end{gathered}`

The result is r = 97/3