Respuesta :

Answer:  -2.3

Step-by-step explanation:

–9.96 + 9.9t = 1.54 + 7.7t + 7.2t

–9.96 + 9.9t = 1.54 + 14.9t

-9.96 - 5t = 1.54

-5t = 11.5

t = -2.3

ACCESS MORE