Q: What is the solution?
Solve 4*k = -9*k - 13 for k.

A: -1

Q: What is the solution?
Solve 105*u - 139 - 701 = 0 for u.

A: 8

Q: What is the solution?
Solve -511*t - 6414 - 5850 = 0 for t.

A:
-24