Question: What is the solution?

Solve -159*k - 667 - 598 = 1120 for k.

Answer: -15

Question: What is the solution?

Solve 0 = -15*t - 45 - 30 for t.

Answer: -5

Question: What is the solution?

Solve -50*i - 50*i + 408 = 2*i for i.

Answer: 4

Question: What is the solution?

Solve 9972 - 1030 = 675*c - 412*c for c.

Answer:
34