Question

x-3 over x+7=3/5
what is x?

Answer 1

I got an answer of -22 if I did it right!?

Answer 2

\[\frac{x-3}{x+7}=\frac{3}{5}\]
cross multiply
\[5(x-3)=3(x+7)\]
\[5x-15=3x+21\]
\[5x-3x=21+15\]
\[2x=36\]
\[x=18\]