Question

Tolong jawab soal ini dengan cara nya ya

Answer 1

Verified answer

Jawab
a'log b = c  → a^c = b

4/9 - 3ˣ = 3ˣ⁻¹
3ˣ⁻¹ + 3ˣ = 4/9
9(3ˣ⁻¹  + 3ˣ) =  4
3² (3ˣ⁻¹ +3ˣ)  = 4
3² (3ˣ⁻¹)  + 3²(3ˣ) = 4
3²⁺ˣ⁻¹ + 3²⁺ˣ = 4
3ˣ⁺¹ +3ˣ⁺²   = 4
3ˣ (3¹ + 3²) = 4
3ˣ (3 + 9) = 4
3ˣ (12) = 4
3ˣ = 4/12
3ˣ = 1/3
3ˣ = 3⁻¹
x = -1