Question: What is the solution?

Solve -115*m - 88*m - 265 + 931 = 19*m for m.

Answer: 3

Question: What is the solution?

Solve -141 = 16*k + 31*k for k.

Answer: -3

Question: What is the solution?

Solve -929*a - 1670*a - 15128 = -246439 for a.

Answer: 89

Question: What is the solution?

Solve 16*u - 85 - 18 = -23 for u.

Answer:
5