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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
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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
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Feb 9, 2018
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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
Mathematics
high-school
Nicolas Thery
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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 :)
Elmiomar
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Feb 14, 2018
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