13e^x-5=10

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I am having trouble rememering how to solve this using logarithm terms, and solving to 4 decimal points. 13e^x-5=10

Guest Mar 5, 2015

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Best Answer

+130516

+5

13e^x-5=10 add 5 to both sides

13e^x = 15 divide both sides by 13

e^x = 15/13 take the ln of both sides

ln e^x = ln (15/13) and we can write

x ln e = ln (15/13) and ln e = 1......so we have

x = ln(15/13) = about .143

CPhill Mar 5, 2015

1⁺⁰ Answers

+130516

+5

Best Answer

13e^x-5=10 add 5 to both sides

13e^x = 15 divide both sides by 13

e^x = 15/13 take the ln of both sides

ln e^x = ln (15/13) and we can write

x ln e = ln (15/13) and ln e = 1......so we have

x = ln(15/13) = about .143

CPhill Mar 5, 2015

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