question: Teacher asked me this: Solve 21*f - 31*f - 40 = 0 for f.
++++++++++
answer: -4
Solve 57*j = 5*j + 156 for j.
Solve this plz.

A: 3
QUESTION: Math problem: Solve -26939*j - 150970 = -27913*j for j.
ANS: 155
Q: What is the solution?
Solve -1586*g = -1709*g - 861 for g.

A: -7
Write down the solution for this math problem: Solve 75*u = 304*u + 204*u + 18186 for u.
answer: -42
Write down the solution for this math problem: Solve 8395452*c - 8395436*c = 528 for c.
answer:
33