76:(56-х)=19 пж рещите
76:(56-x)=19
56-x=76:19
56-x=4
-x=4-56
-x=-52
x=52
76:(56-x) = 19 56 - x = 76 : 19 56 - x = 4 x = 56 - 4 x = 52 ——————- Проверка 76 : (56 - 52) = 19 76 : 4 = 19 19 = 19