Q: What is the solution?
Solve -2*s = -6*s + 4 for s.

A: 1

Q: What is the solution?
Solve 0 = -9*j - 27*j - 396 for j.

A: -11

Q: What is the solution?
Solve 17*k = 22*k - 35 for k.

A:
7