question: Teacher asked me this: Solve 215*k + 66*k + 3811 = 178*k for k.
++++++++++
answer: -37
Solve -197 = 42*r + 223 for r.
Solve this plz.

A: -10
QUESTION: Math problem: Solve 3262754*f + 60 = 3262757*f for f.
ANS: 20
Q: What is the solution?
Solve 12 + 10 = 11*s for s.

A: 2
Write down the solution for this math problem: Solve -834*u + 30 = -819*u for u.
answer: 2
Q: Solve:
Solve -24 = -8*w - 0 for w.

A:
3