1. 2^x+2 = 8 2. 3^3x-3 = 27
Matematika
gangnamstyle
Pertanyaan
1. 2^x+2 = 8
2. 3^3x-3 = 27
2. 3^3x-3 = 27
1 Jawaban
-
1. Jawaban BSunShine
Materi : Persamaan eksponen
Kelas : X SMA
1). 2^ x + 2 = 8
=> 2^x + 2= 2^3
=> x + 2 = 3
=> x = 3 - 2
=> x = 1
2). 3^3x-3 = 27
=> 3^3x-3 = 3^3
=> 3x - 3 = 3
=> 3x = 3 + 3
=> 3x = 6
=> x = 2
Semoga membantu ... semangat :)