Math, asked by shabeehfatima75, 3 months ago

2n-3/2n-1 = 3n-1/3n+1​

Answers

Answered by MysterySD
4

Step-by-step explanation:

Question:

 \frac{2n - 3}{2n - 1}  =  \frac{3n - 1}{3n + 1}

Answer:

 \frac{2n - 3}{2n - 1}  =  \frac{3n - 1}{3n + 1}  \\ (2n - 3)(3n + 1) = (3n - 1)(2n - 1) \\ 2n(3n + 1) - 3(3n + 1) = 2n(3n - 1) - 1(3n - 1) \\ 6 {n}^{2}  + 2n - 9n - 3 = 6 {n}^{2}  - 2n - 3n + 1 \\ 6 {n}^{2}   - 7n - 3 = 6 {n}^{2}  - 5n + 1 \\  - 7n + 5n = 1 + 3 \\  - 2n = 4 \\ n =  -  \frac{4}{2}  \\ n =  - 2

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