Q: What is the solution?
Solve 20626500 = -215*b + 20621770 for b.

A: -22

Q: What is the solution?
Solve 262*z - 840*z + 424*z - 1860 - 14310 = 0 for z.

A: -105

Q: What is the solution?
Solve 45*y + 304 = 34 for y.

A:
-6