Answer:
x = log4(9)
Step-by-step explanation:
16=3(4)^x-11
Add 11 to each side
16+11 = 3(4)^x-11+11
27 = 3 (4) ^x
Divide each side by 3
27/3 = 3/3 (4) ^x
9 = 4^x
We know a = b^c then c = logb(a)
x = 1.584962500