question: Teacher asked me this: Solve 4*s = 6*s - 8 for s.
++++++++++
answer: 4
Solve f = 18*f for f.
Solve this plz.

A: 0
QUESTION: Math problem: Solve 12*v + 139 + 165 = -2*v - 172 for v.
ANS: -34
Q: What is the solution?
Solve 46785*k + 2750 = 46660*k for k.

A: -22
Write down the solution for this math problem: Solve 20 = 9*s - 25 for s.
answer: 5
QUESTION: Math problem: Solve 10*f = 9*f + 1 for f.
ANS:
1