Solve 41*s - 148*s + 1070 = 0 for s.
Solve this plz.

A: 10

Solve -63607*k - 1973 = -63519*k + 3571 for k.
Solve this plz.

A: -63

Solve -7*n = -0*n + 6*n - 156 for n.
Solve this plz.

A:
12