Question

if 3^x-1=9 and 4^y+2=64, what is the value of x/9?

Answer 1

3^x-1=3^2
if base are equal then powers are also equal.
x-1=2
x=3
3/9
1/3

Answer 2

» 3^x-1 = 9
»3^x-1 = 3²
»x-1 = 2
»x = 2+1
»x = 3

»4^y+2 = 64
»4^y+2 = 4³
» y+2 = 3
» y = 3-2
» y = 1
_____________
▶ x/9 = 3/9 = 1/3