Question

решите прошу вас!! помогите

Answer 1

$2x - 5 = 21x + 28 + 5 \\ 2x - 5 = 21x + 33 \\ 2x - 5 - 21x - 33 = 0 \\ - 19x - 38 = 0 \\ - 19x = 38 \\ x$
$x = - 2$