Question: What is the solution?

Solve -58*q - 211*q - 6618 = -1776 for q.

Answer: -18

Question: What is the solution?

Solve 70*r + 435 + 311 = 46 for r.

Answer: -10

Question: What is the solution?

Solve -37 = 16*c - 37 for c.

Answer: 0

Question: What is the solution?

Solve 111*u - 162*u = -969 for u.

Answer:
19