question: Teacher asked me this: Solve -2*u = -9*u + 21 for u.
++++++++++
answer: 3
Solve -4*n - 25*n = -145 for n.
Solve this plz.

A: 5
QUESTION: Math problem: Solve -2*x + 5*x + 12 = 0 for x.
ANS: -4
Q: What is the solution?
Solve 0 = 1693*y - 1701*y - 40 for y.

A: -5
Write down the solution for this math problem: Solve -977*b - 9 = -980*b for b.
answer: 3
question: Teacher asked me this: Solve 377 = -90*x + 465*x + 2 for x.
++++++++++
answer:
1