Respuesta :
Answer:
44
Step-by-step explanation:
log₄(x + 20) = 3
4^(log₄(x + 20)) = 4^3
x + 20 = 4³
x = 44
Answer:
x= 44
Step-by-step explanation:
log4(x+20)=3
Raise each side to the base of 4
4^ log4(x+20)= 4^3
x+20 = 64
Subtract 20 from each side
x+20-20 = 64-20
x = 44