Question

Даю 10 баллов...
Сор по математике

Answer 1

$2(x + 2) - 18 = 2x + 1 - 3x \ 2x + 4 - 18 = - x + 1 \ 2x - 14 + x - 1 = 0$
$3x - 15 = 0 \ 3x = 15 \ x = 15 div 3 \ x = 5$
$5 |x - 4| = 135 \ |x - 4| = 135 div 5 = 27 \ x - 4 = 27 \ x = 27 + 4 = 31$
$x - 4 = - 27 \ x = - 23$