2) Решите уравнение: 1) (x + 38) – 59 = 26; 4) 879 – (458 + h) = 231;

Решение:

1. 1) (x + 38) – 59 = 26
   x + 38 = 26 + 59
   x + 38 = 85
   x = 85 – 38
   x = 47
2. 4) 879 – (458 + h) = 231
   458 + h = 879 – 231
   458 + h = 648
   h = 648 – 458
   h = 190

Ответ: x = 47, h = 190.