Respuesta :

Answer:

A. 1

there is only one solution for this equation.

Step-by-step explanation:

[tex]9x + 16 = 4x \\ collecting \: like \: terms \: \\ 9x - 4x = 16 \\ 5x = 16 \\ x = \frac{16}{5} \\ x = 3.2[/tex]