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Mathematics

Solve the following equation:

log(4y - 3) = log(2y + 1) - log 3

Logarithms

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Answer

Given,

⇒ log(4y - 3) = log(2y + 1) - log 3

log(4y3)=log2y+13\text{log}(4y - 3) = \text{log}\dfrac{2y + 1}{3}

2y+13=4y3\dfrac{2y + 1}{3} = 4y - 3

⇒ 2y + 1 = 3(4y - 3)

⇒ 2y + 1 = 12y - 9

⇒ 12y - 2y = 1 + 9

⇒ 10y = 10

⇒ y = 1.

Hence, y = 1.

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