Question

Nilai x memenuhi penyelesaian dari 8^5 : 8^x =16

Answer 1

Verified answer

Perpangkatan

8^5 : 8^x = 16
8^(5-x) = 16
(2³)^(5-x) = 2⁴
2^(15-3x) = 2⁴

15-3x = 4
15-4 = 3x
x = 11/3

Answer 2

Verified answer

Bab : Eksponen
Kelas : X SMA

8^5 : 8^x = 16
(2^3)^5 : (2^3)^x = 2^4
2^15 : 2^3x = 2^4
2^(15-3x) = 2^4
15 - 3x = 4
-3x = 4 - 15
-3x = -11
x = -11/-3
x = 11/3