a 6
b. 3
C. -3
d. -6
Jawaban:
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C. -3
[tex] {2}^{3x + 5} = \frac{1}{16} \\ {2}^{3x + 5} = \frac{1}{ {2}^{4} } \\ {2}^{3 x + 5} = {2}^{ - 4} \\ \\ \\ 3x + 5 = - 4 \\x = \frac{ - 4 - 5}{3} \\x = \frac{ - 9}{3} \\ x = - 3[/tex]
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Answer By : @mlk39
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