15(k-10)=255
k-10=255:15
k-10=17
k=17+10
k=27
(y-467)-1056=1549
y-476=1549+1056
y-476=2605
y=2605+476
y=3081
15(k-10)=255
k-10=255:15
k-10=17
k=17+10
k=27
(y-467)-1056=1549
y-476=1549+1056
y-476=2605
y=2605+476
y=3081