Q: What is the solution?
Solve -3545*b - 345391 = 2019 for b.

A: -98

Q: What is the solution?
Solve 28*r = 18 + 178 for r.

A: 7

Q: What is the solution?
Solve -11*u - 128 + 73 = 0 for u.

A:
-5