Question: What is the solution?

Solve -26*t + 176 = -70*t for t.

Answer: -4

Question: What is the solution?

Solve 7*c + 13 = -29 for c.

Answer: -6

Question: What is the solution?

Solve 15845 = 990*c + 21785 for c.

Answer: -6

Question: What is the solution?

Solve 31*b + 97 - 444 = 56 for b.

Answer:
13