Respuesta :

ayah1
0.5t - 3t + 5 = 0

(0.5-3)t + 5 = 0

-2.5t + 5 = 0        (subtract 5 from each side)

-2.5t = -5            (divide -2.5 from each side)

t = -5 ÷ -2.5

t = 2