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