Jika 9x+¹ =27 ,maka Nilai X adalah
Matematika
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Pertanyaan
Jika 9x+¹ =27 ,maka Nilai X adalah
1 Jawaban
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1. Jawaban ahmad1904
[tex] {9}^{x + 1} = 27 \\ {( {3}^{2} )}^{x + 1} = {3}^{3} \\ {3}^{2x + 2} = {3}^{3} \\ 2x + 2 = 3 \\ 2x = 3 - 2 \\ 2x = 1 \\ x = \frac{1}{2} [/tex]