(45-y)+18=582
45-y+18=582
63-y=582
582-63=-y
-y=519
y=-519
(24+x)-21=10
24+x-21=10
3+x=10
x=10-3
x=7
(45-y)+18=582
45-y+18=582
63-y=582
582-63=-y
-y=519
y=-519
(24+x)-21=10
24+x-21=10
3+x=10
x=10-3
x=7