Q: What is the solution?
Solve -111 + 14 = 34*b - 879 for b.

A: 23

Q: What is the solution?
Solve 6*a - 36 = -3*a for a.

A: 4

Q: What is the solution?
Solve -6*u + 7 = -13*u for u.

A:
-1