Quiz.
[tex] {2}^{x - 1} = 4[/tex]
x = ....?
..
[tex] {2}^{x - 1} = 4[/tex]
x = ....?
..
Penjelasan dengan langkah-langkah:
[tex]{2}^{x - 1} = 4 \\ {\cancel2}^{x - 1} = {\cancel2}^{2} \\ x - 1 = 2 \\ x = 2 + 1 \\ x = 3[/tex]
Jawaban:
[tex]2^{x - 1} = 4 \\ 2^{x - 1} = {2}^{2} \\ x - 1 = 2 \\ x = 2 + 1 \\ = x = 3 [/tex]
semoga bermanfaat
maaf kalo salah
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