question: Teacher asked me this: Solve -9 - 15 = 5*s + s for s.
++++++++++
answer: -4
Solve -1866 = -108*k + 186 for k.
Solve this plz.

A: 19
QUESTION: Math problem: Solve 0 = 1221*r - 1174*r + 235 for r.
ANS: -5
Q: What is the solution?
Solve -5*q - 6 = 9 for q.

A: -3
Write down the solution for this math problem: Solve 42*f - 58 = 236 for f.
answer: 7
question: Teacher asked me this: Solve -2229 - 4252 - 88 = 82*s - 1321 for s.
++++++++++
answer:
-64