x =1/3
25ˣ⁺¹ = 125/5ˣ
5²⁽ˣ⁺¹⁾ = 5³/5ˣ
5²⁽ˣ⁺¹⁾ = 5³ : 5ˣ
5²⁽ˣ⁺¹⁾ = 5³⁻ˣ
2(x + 1) = 3 - x
2x + 2 = 3 - x
2x + x = 3 - 2
3x = 1
x = 1/3
