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Semoga membantu jawabannyaKelas X SMA
Matematika Minat
Kurikulum 2013
Persamaan Eksponensial
1/4 ^ x + 2 = ³√8 ^ 2x - 1
2^ -2 (x + 2) = 2³ ^ (2x - 1)
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3
-2x - 4 = 6x - 3 (kalikan kedua ruas dengan 3)
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3
-6x - 12 = 6x - 3
-6x - 6x = -3 + 12
-12x = 9
x = 9/-12
= 3/-4
⇒ 81 ^3/-4
⇒ 3 ^4 (3/-4)
⇒ 3 ^-3
⇒ 1/27
Jadi, opsi yang tepat yaitu E
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