question: Teacher asked me this: Solve 25*s - 4*s = 21 for s.
++++++++++
answer: 1
Solve -88*z = -43683 + 43771 for z.
Solve this plz.

A: -1
QUESTION: Math problem: Solve -153*z + 595 + 983 = -40*z - 1360 for z.
ANS: 26
Q: What is the solution?
Solve -20*f - 546*f - 18545 = 19377 for f.

A: -67
Write down the solution for this math problem: Solve -1421*s - 2519*s - 382180 = 0 for s.
answer: -97
question: Teacher asked me this: Solve -25 = 12*v + 13*v for v.
++++++++++
answer:
-1