Mathematics: Log (3x+1) - Log (2x+5)= 1

Log (3x+1) - Log (2x+5)= 1 - id312516439946, tgould1969

Ответ:

HunchoPoncho

26.01.2022

$\huge \red { \boxed{x = - \frac{49}{17}}}$

Step-by-step explanation:

$log(3x + 1) - log(2x + 5) = 1 \\ \\ log \: \frac{3x + 1}{2x + 5} = log \: 10..( \because \: log \: 10 = 1) \\ \\ \frac{3x + 1}{2x + 5} = 10 \\ \\ 3x + 1 = 20x + 50 \\ 3x - 20x = 50 - 1 \\ \\ - 17x = 49 \\ \\ x = \frac{49}{ - 17} \\ \\ \huge \purple{ \boxed{x = - \frac{49}{17}}} \\$

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Ответ:

channarlawassociate

09.01.2021

Mathematics

ok whats the qestion

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Log (3x+1) - Log (2x+5)= 1

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