1)K•4+37956=46580
4K=46580-37956
4K=8624
K=2156
2)M/7 -83049=59763
(M-581343)/7=59763
M-581343=418341
M=999684
3)631005-43578/n=630996
(-43578+631005n)/n=630996
-43578+631005n=630996n
-43578=630996n-631005n
-43578=-9n
n=4842
4)674752+p/6=700380
(P+4048512)/6=4202280
P=153768