If log3⁡⁡(4y−1)=log3⁡⁡(2y+7), what is the value of y?

Enter your answer as a number, rounded to one decimal place, if necessary, like this: 42.5

Question

03-10-2017
Mathematics

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If log3⁡⁡(4y−1)=log3⁡⁡(2y+7), what is the value of y?

Enter your answer as a number, rounded to one decimal place, if necessary, like this: 42.5

Respuesta :

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kritter1 kritter1 · Answer 1 · 2017-10-03T11:26:36+02:00

kritter1 kritter1

03-10-2017

Knowing that there are two logs on both sides of the brackets, they cancel out.
This leaves:

4y-1=2y+7 (solve for y)
4y-2y=7-1
2y=6
y=3

Hope this helped :)

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If log3⁡⁡(4y−1)=log3⁡⁡(2y+7), what is the value of y? Enter your answer as a number, rounded to one decimal place, if necessary, like this: 42.5

Respuesta :

Otras preguntas

If log3⁡⁡(4y−1)=log3⁡⁡(2y+7), what is the value of y?

Enter your answer as a number, rounded to one decimal place, if necessary, like this: 42.5