(?) - 19657 - 33994 = 9999
63650
53760
59640
61560
Explanation:
19657+33994=53651
let $x$ - 53651 = 9999
Then, $x$ = 9999 + 53651 = 63650
(?) - 19657 - 33994 = 9999
19657+33994=53651
let $x$ - 53651 = 9999
Then, $x$ = 9999 + 53651 = 63650