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Brut [27]
3 years ago
13

How do you solve 3x+1 = 15 for x using the change of base formula log base b of y equals log y over log b?

Mathematics
2 answers:
DerKrebs [107]3 years ago
8 0

Anwser is 14/3

Subtract the 1 and divide by 3

Ket [755]3 years ago
7 0

Answer with explanation:

The given equation in single variable x, is

⇒3 x+1=15

Subtracting 1 from both sides

⇒ 3 x +1 -1 = 15- 1

⇒3 x =14

Dividing both sides by, 3 we get

x=\frac{14}{3}\\\\x=log_{10}\frac{14}{3}\\\\ \log_{a}b=\frac{\log b}{\log a}

Because ,log 10=1

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