Q: What is the solution?
Solve 51457*d = 51405*d - 1560 for d.

A: -30

Q: What is the solution?
Solve 57441 = 1896*b - 29655 - 36372 + 34356 for b.

A: 47

Q: What is the solution?
Solve -11*y = 4*y + 15 for y.

A:
-1