question: Teacher asked me this: Solve -30 = -60*f + 70*f for f.
++++++++++
answer: -3
Solve -7 + 1 = -6*u for u.
Solve this plz.

A: 1
QUESTION: Math problem: Solve -b + 479 = 478 for b.
ANS: 1
Q: What is the solution?
Solve 665479 = 161*y + 670792 for y.

A: -33
Write down the solution for this math problem: Solve -67*k + 872*k + 47461 = 237*k - 963*k for k.
answer: -31
question: Teacher asked me this: Solve -89*l - 22639 = -20058 for l.
++++++++++
answer:
-29