question: Teacher asked me this: Solve -42*b - 383 - 646 = 21 for b.
++++++++++
answer: -25
Solve 1140*d = 103*d - 5469 - 34974 for d.
Solve this plz.

A: -39
QUESTION: Math problem: Solve 22 - 421 = -36*k - 22*k + 77*k for k.
ANS: -21
Q: What is the solution?
Solve -9650*n + 326541 = -5981*n for n.

A: 89
Write down the solution for this math problem: Solve -25*k + 537 + 43 = -23*k - 22*k for k.
answer: -29
QUESTION: Math problem: Solve -121*v + 50*v + 3571 - 3926 = 0 for v.
ANS:
-5