Question

ecuaciones de primer gradoo
$\frac{2}{x+1}=4-\frac{2x}{x+1}$

Answer 1

$\frac{2}{x+1} +\frac{2x}{x+1}=4$

$\frac{2 + 2x}{ x + 1} = 4$

$2 + 2x = 4x + 4$

$2 - 4 = 4x - 2x$

$- 2 = 2x$

$x = - 1$

Answer 2

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