Solve 4781*t - 44872 + 75992 = -42749 - 64780 for t.
Solve this plz.

A: -29

Solve 29874*d - 29848*d = -260 for d.
Solve this plz.

A: -10

Solve 903*o - 307*o - 449*o = -735 for o.
Solve this plz.

A:
-5