20008-X=1044

X=20008-1044

X=18964

20008-18964=1044

1044=1044

20008-X=720

X=20008-720

X=19288

20008-19288=720

720=720

X-2008=720

X=720+2008

X=2728

2728-2008=720

720=720

X-2008=1044

X=1044+2008

X=3052

3052-2008=1044