Solve 24832*s - 20194 = 23954*s for s.
Solve this plz.

A: 23

Solve 61*k - 288 = -49*k + 78*k for k.
Solve this plz.

A: 9

Solve -29*s - 180 = -9*s for s.
Solve this plz.

A:
-9