Respuesta :

Answer:-2

explanation:

substitute - 4 into q(x)

[tex] - 4 = \frac{1}{2} x - 3[/tex]

Add three on both sides

[tex] - 1 = \frac{1}{2} x[/tex]

Multiply both sides by...

[tex] \frac{2}{1} [/tex]

[tex] - 2 = x[/tex]