Respuesta :

Answer:

x = 2.0172

Step-by-step explanation:

2.2^x+2.2^-3=5

-> 2.2^x+0.093914 = 5

-> + -0.93914    + -0.93914

-> 2.2^x = 4.906086

-> x = log(4.906086/log(2.2)

-> x = 2.0172

ACCESS MORE