solve (5y/3)=20 step by step
\(\dfrac{5y}{3}=20\ \ \ \ \ |multiply\ both\ sides\ by\ 3\\\\ ot3^1\cdot\dfrac{5x}{ ot3_1}=3\cdot20\\\\5x=60\ \ \ \ \ |divide\ both\ sides\ by\ 5\\\\\dfrac{5x}{5}=\dfrac{60}{5}\\\\\boxed{x=12}\)
