fraction x plus 3 over 5 equals 7
\(\dfrac{x+3}{5}=7\ \ \ \ |multiply\ both\ sides\ by\ 5\\\\x+3=35\ \ \ \ |subtract\ 3\ from\ both\ sides\\\\\boxed{x=32}\)
I think this is what you meant sooox+3/5=7x+3=35x=32