Q: What is the solution?
Solve 69*r + 2967 = 2760 for r.

A: -3

Q: What is the solution?
Solve 358*q + 1500 - 2126 = 5102 for q.

A: 16

Q: What is the solution?
Solve -1161*v = -575*v - 578*v - 144 for v.

A:
18