question: Teacher asked me this: Solve 644 - 84 = -80*b for b.
++++++++++
answer: -7
Solve 37*u = 52*u for u.
Solve this plz.

A: 0
QUESTION: Math problem: Solve 277128 = -4291*x + 58287 for x.
ANS: -51
Q: What is the solution?
Solve 74*r + 627 = 42*r - 269 for r.

A: -28
Write down the solution for this math problem: Solve -49*f + 156 = 3*f for f.
answer: 3
Write down the solution for this math problem: Solve 5*j - 30 = -15 for j.
answer:
3