Найди неизвестное число. 7020 - m * 3 = 4080 ; k * 6 - 2284 = 5456 ; n / 7 + 1275 = 6000 ; 2160/ v + 4996 = 5000

7020 - m * 3 = 4080 -m*3 = 4080-7020 -m*3 = -2940 3m = 2940 m = 2940 : 3 m = 980 k * 6 - 2284 = 5456  k*6 = 5456 + 2284 6k = 7740 k= 7740 :6 k= 1290 n / 7 + 1275 = 6000 n/7= 6000-1275 n/7= 4725 n= 4725*7 n = 33075 2160/ v + 4996 = 5000 2160/v = 5000-4996 2160/v= 4 v = 2160/4 v= 540