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To solve the equation 5^x = 15, you can take the logarithm of both sides. By taking the natural logarithm of both sides, you get x * ln(5) = ln(15). Then, you can solve for x by dividing both sides by ln(5), giving you x = ln(15) / ln(5), which is approximately 1.682.

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3mo ago

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Using logarithms. In economics, we most commonly use the the base e, which is known as ln. For example

5^x = 15, apply ln[.] to both sides

ln[5^x] = ln[15]

and since logarithms have the property of turning exponents into coefficients

xln5 = ln15

x = ln15/ln5

x = 1.6826

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Wiki User

13y ago
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X=3

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Anonymous

4y ago
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Q: How do you solve 5 to the power of x equals 15?
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