Solve 0 = -15990*j + 16264*j + 7672 for j.
Solve this plz.

A: -28

Solve -11*t = -21*t + 30 for t.
Solve this plz.

A: 3

Solve 98*k - 960*k - 575*k + 147*k - 2580 = 0 for k.
Solve this plz.

A:
-2