(2/3)ˣ = 32/243
(2/3)ˣ = 2⁵/3⁵
(2/3)ˣ = (2/3)⁵
x = 5
(3/2)ˣ = 225/100
(3/2)ˣ = 9/4
(3/2)ˣ = 3²/2²
(3/2)ˣ = (3/2)²
x = 2