Решите уравнение: (1604 – x) – 108 = 800
(1604-х)-108=800 1604-х=800+108 1604-х=908 х=1604-908 х=696 (1604-696)-108=800 800=800
(1604 – x) – 108 = 800 1604-х=800+108 1604-х=908 х=1604-908 х=696 -------------------- (1604-696)-108=800 800=800