[tex]\begin{gathered} \text{ }\frac{5}{m}\text{ - ay = }\frac{p}{x}\text{ + s} \\ \text{ }\frac{5}{m}\text{ = }\frac{p}{x}\text{ + s + ay} \\ \text{ 5 = m }\lbrack\frac{p}{x}\text{ + s + ay}\rbrack \\ \text{ m = }\frac{5}{\frac{p}{x}\text{ + s + ay}} \end{gathered}[/tex]
