Question

34=5x+16+4x ???????????????

Answer 1

$34 = 5x + 16 + 4x = \ \textgreater \ 5x + 16 + 4x = 34 = \ \textgreater \ 9x + 16 = 34 = \ \textgreater \ 9x = 34 - 16 = \ \textgreater \ 9x = 18= \ \textgreater \ x = 18 : 9 = \ \textgreater \ \boxed{\boxed{x = 2}} = \ \textgreater \ \underline{S = 2}$