Question

х+1—х-2=2+х—1+х
$\frac{x + 1}{x - 2 } = \frac{2 + x}{1 + x}$
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Answer 1

Пошаговое объяснение:

$\frac{x + 1}{x - 2 } = \frac{2 + x}{1 + x} \\ (x + 1)(1 + x) = (2 + x)(x - 2) \\ {(x + 1)}^{2} = (x + 2)(x - 2) \\ {x}^{2} + 2x + 1 = {x }^{2} - 4 \\ 2x = - 5 \\ x = - \frac{5}{2} = - 2.5$