Question

solve formula for variable k
3/7+3y=k/u

Answer 1

\[u*(\frac{3}{7}+3y)=k\]
\[\frac{3u}{7}+3uy=k\]

Answer 2

\[3/7+3y=k/u\]
\[u(3/7+3y)=k\]
\[u((3+21y)/7)=k\]
\[3u+63y/7=k\]