9 pangkat 3x =27pangkat x-2
Matematika
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Pertanyaan
9 pangkat 3x =27pangkat x-2
2 Jawaban
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1. Jawaban masbro18
[tex] {9}^{3x} = {27}^{x - 2} \\ {( {3}^{2}) }^{3x} = {( {3}^{3}) }^{x - 2} \\ {3}^{2 \times 3x} = {3}^{3(x - 2)} \\ {3}^{6x} = {3}^{3x - 6} \\ 6x = 3x - 6 \\ 6x - 3x = - 6 \\ 3x = - 6 \\ x = - 2[/tex]
Semoga dapat dipahami -
2. Jawaban ichsanartas2016
9^3x = 27^x-2
3^6 = 3^3x-6
6 = 3x - 6
-3x = -6-6
-3x = -12
x = 4