5y – 72 = 48 – 3y
5y + 3y = 48 + 72
8y = 120
y = 15
53(x-961)=3975
53x – 50933 = 3975
53x = 3975 + 50933
53x = 54908
x = 1036
(к+2958):87=134
к+2958=134*87
к+2958=11658
к=11658-2958
к=8700
69 + 4t = 2t + 153
4t – 2t = 153 – 69
2t = 84
t = 42
5y – 72 = 48 – 3y
5y + 3y = 48 + 72
8y = 120
y = 15
53(x-961)=3975
53x – 50933 = 3975
53x = 3975 + 50933
53x = 54908
x = 1036
(к+2958):87=134
к+2958=134*87
к+2958=11658
к=11658-2958
к=8700
69 + 4t = 2t + 153
4t – 2t = 153 – 69
2t = 84
t = 42