Question: What is the solution?

Solve -962*z + 69992 - 285056 = 3869*z + 40979 for z.

Answer: -53

Question: What is the solution?

Solve -138*i - 46 - 3618 - 752 = 0 for i.

Answer: -32

Question: What is the solution?

Solve 15 + 33 = -12*r for r.

Answer: -4

Question: What is the solution?

Solve 3 = 6*q - 7*q for q.

Answer:
-3