glolord4873 glolord4873
  • 03-10-2017
  • Mathematics
contestada

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 :

kritter1
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 :) 
Answer Link

Otras preguntas

who are the main character's in the beginning of the story, Protagonist vs. Antaganist
(2y-3)=29 What are the y values
Describe what happens to the climate and animals when the glaciers melt
How many obtuse angles can a triangle have? ​
Have you ever had your beliefs challenged by others? How did you react? How would you react if this happened to you?
Eight times the sum of a number and 6 is 4
2 5x2 - 19x + 12 Standard form
What is the quote "The thin worse than rebellion is the thin that causes rebellion." connection to "The Giver" (pls help school is almost starting and I still h
What is the function of the couplet (the final pair of rhyming lines) at the end of the sonnet?
A cake will not rise as well if he adds too much sugar. Independent Variable amount of sugar Dependent Variable Control Variables Hypothesis​