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dusya [7]
3 years ago
7

Solve the exponential equation 1/2^x-5=8^x

Mathematics
1 answer:
dexar [7]3 years ago
7 0

( \frac{1}{2} ) {}^{x - 5}  = 8 {}^{x}  \\  2 {}^{ - x + 5}  = 2 {}^{3x}  \\  - x + 5 = 3x \\  - 4x =  - 5 \\ x =  \frac{ - 5}{ - 4}  =  \frac{5}{4}
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Answer:

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3 years ago
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aliya0001 [1]
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3 years ago
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vladimir1956 [14]

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3 years ago
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