Solve -98*k - 91 = 301 for k.
Solve this plz.

A: -4

Solve 0 = 48*i - 190 - 475 + 41 for i.
Solve this plz.

A: 13

Solve 5*u = -10*u - 60 for u.
Solve this plz.

A:
-4