I have a very complicated equation ;) 7x = 14. I would like the output to be x = 14/7

Help tells me that the function "isolate" will do this. In fact it gives me an example

isolate(4*x*sin(x)=3,sin(x));

with the output being sin(x) = 3/4x

Perfect! so I try isolate(7*x = 14, x);