Q: What is the solution?
Solve 21442 + 12782 - 5289 = 643*y for y.

A: 45

Q: What is the solution?
Solve -70 + 14 = 7*m for m.

A: -8

Q: What is the solution?
Solve 527*h = 632*h - 420 for h.

A:
4