Insert the missing digits to make number sentence true

Question

_,_63-3,9_9=2,83-

Answer 1

xx63
-39x9
-------
283x

well, 13-9=4, so that leaves

xx63
-39x9
-------
2834

the rest should follow easily enough, going from right to left.

Answer 2

ربتينيتيزستي يه

Answer 3

2×(×+6)=(2×)+(×6)