Logx 2+log x 8=4 logx 8-log x 2=2 log x 3+log x 9=3

Logₓ 2+log ₓ 8=4   (x>0, x≠1)
logₓ16=4
x⁴ = 16
x = 2
Logₓ 8-log ₓ 2=2   (x>0, x≠1)
logₓ4 = 2
x²= 4
x = 2
Logₓ3+logₓ 9=3    (x>0, x≠1)
logₓ27 = 3
x³ = 27
x = 3