Question

решите, пожалуйста.
очень нужно))))

Answer 1

$frac{2x + 7}{4} - frac{4x - 1}{6} = 2$
$frac{3(2x + 7)}{3 * 4} - frac{2(4x - 1)}{2 * 6} = 2$
$frac{6x + 21}{12} - frac{8x - 2}{12} = 2$
$frac{6x + 21 - 8x + 2}{12} = 2$
$frac{23 - 2x}{12} = 2$
$23 - 2x = 2 * 12$
$23 - 2x = 24$
$23 - 24 = 2x$
$2x = -1$
$x = - frac{1}{2}$