Step-by-step explanation:

all the details are in the attachment.
8^4x=135
log(8^4x)=log(135
4x*(log(8))=log(135)
4x=log(135)/log(8)
4x=2.358939
4x/4=2.358939/4
x=0.589735
185 * 17 = 3145 so that means 3145 / 17 = 185
Answer:
5
Step-by-step explanation:
You solve the equation