Do w stil hv mathmtsians in d hs?

x6+6y=81. Solve 4 x & y

u need additional info. there's no straight solution to dat except by trial and error.

guy ur brain is touchingoooooo, d equation is incomplete. no solution

Bros please reset your question.

Thank you sir.

@Fedponek.To solve for two unknowns,there has to be two simultaneous equations.Unless you want to solve for x in terms of y and vice versa.