2460:b=1332-1250
2460:b=82
b=2460:82
b=30
2460:30=1332-1250
82=82
(y-476)-1056=1549
y-476=1549+1056
y-476=2605
y=2605+476
y=3081
(3081-476)-1056=1549
2605-1056=1549
1549=1549
(x+450)-3540=4000:80
(x+450)-3540=50
x+450=3540+50
x+450=3590
x=3590-450
x=3140
(3140+450)-3540=4000:80
3590-3540=4000:80
50=50