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) = 1956 - x = 76 : 1956 - x = 4x = 56 - 4x = 52——————-Проверка76 : (56 - 52) = 1976 : 4 = 1919 = 19