Q: What is the solution?
Solve 255*k - 58*k + 1705 = -1250 for k.

A: -15

Q: What is the solution?
Solve -105*x - 393 + 1653 = 0 for x.

A: 12

Q: What is the solution?
Solve 497*k + 73 - 6342 = 689 for k.

A:
14