Matematika

Pertanyaan

3pangkat5x-1=27pangkatx+3 nilai x adl?

2 Jawaban

  • 3^5x-1 = 27^x+3
    3^5x-1 = (3³)^x+3
    5x-1 = 3x+9
    5x-3x = 9+1
    2x = 10
    x = 10/2
    x = 5
  • mencari nilai x
    3⁵ˣ⁻¹ = 27ˣ⁺³
    3⁵ˣ⁻¹ = (3³)ˣ⁺³
    3⁵ˣ⁻¹ = 3³ˣ⁺⁹
    5x - 1 = 3x + 9
    5x - 3x = 9 + 1
    2x = 10
    x = 10/2
    x = 5

Pertanyaan Lainnya