Q: What is the solution?
Solve -970*a - 8911 = 3699 for a.

A: -13

Q: What is the solution?
Solve 120*j = -91 - 29 for j.

A: -1

Q: What is the solution?
Solve -11*v + 480 = 20*v + 9*v for v.

A:
12