Question: What is the solution?

Solve -134645 - 46306 = 809*k + 1180*k + 107454 for k.

Answer: -145

Question: What is the solution?

Solve 15*k - 1472 + 1836 = 67*k for k.

Answer: 7

Question: What is the solution?

Solve -220 = 88*k + 132 for k.

Answer: -4

Question: What is the solution?

Solve 6208 = 43*c + 150*c + 1769 for c.

Answer:
23