Question

please solve I will make you brain list ​

Answer 1

Answer:

-4/6x...

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Answer 2

Step-by-step explanation:

$\frac{1}{x - 1} - \frac{1}{x} = \frac{1}{x + 3} - \frac{1}{x + 4} \\ \frac{x - x + 1}{x(x - 1)} = \frac{x + 4 - x - 3}{(x + 4)(x + 3)} \\ (x + 4)(x + 3) = x(x - 1) \\ x {}^{2} + 7x + 12 = x {}^{2} - x \\ 8x = - 12 \\ x = \frac{ - 12}{8} \\ x = \frac{ - 3}{2}$