Respuesta :

SerenityLestyn

[tex]5(20 - x) = \frac{1}{2} (4x + 4 ) \\ 100 - 5x = 2x - 2 \\ 5x - 2x = - 100 - 2 \\ \frac{3x}{3} = \frac{ - 102}{3} \\ x = - 34[/tex]
I'm pretty sure this is correct. I'm not the greatest at math.