Question: What is the solution?

Solve 145 = -51*k - 59 for k.

Answer: -4

Question: What is the solution?

Solve -2*m - 4*m = -0*m for m.

Answer: 0

Question: What is the solution?

Solve 584*y + 782*y + 5203 + 26215 = 0 for y.

Answer: -23

Question: What is the solution?

Solve 83 = 25*u - 42 for u.

Answer:
5