Question

Решите:
4,3 - 6,2 =
- 7/9 - 1/6 =

И уравнение с модулем:
/у + 2/ = 8

Answer 1

$4.3 - 6.2 = - 1.9 \\ - \frac{7}{9} - \frac{1}{6} = - \frac{14}{18} - \frac{3}{18} = - \frac{17}{18} \\ |y + 2| = 8 \\ \\ y + 2 = 8 \\ y + 2 = - 8 \\ \\ y = 6 \\ y = - 10$