Respuesta :

NotHeavenly
There is only one solution, which is x=-16/5.
gmany
One solution

[tex]9x+16=4x\ \ \ |-16\\\\9x=4x-16\ \ \ |-4x\\\\5x=-16\ \ \ |:5\\\\\boxed{x=-\dfrac{16}{5}\to x=-3.2}[/tex]