Q: What is the solution?
Solve 340*r + 2059 + 2078 = 456*r - 2011 for r.

A: 53

Q: What is the solution?
Solve 0 = 15*s + 10 + 65 for s.

A: -5

Q: What is the solution?
Solve 158*f + 406 + 1754 = -1316 for f.

A:
-22