Solve -40 = 10*u - 2*u for u.
Solve this plz.

A: -5

Solve -15732*k + 15850*k + 708 = 0 for k.
Solve this plz.

A: -6

Solve 11*v = -283*v + 2058 for v.
Solve this plz.

A:
7