Q: What is the solution?
Solve 50*k - 28*k - 48*k - 234 = 0 for k.

A: -9

Q: What is the solution?
Solve 776 = -87*w + 281*w for w.

A: 4

Q: What is the solution?
Solve -2*p - 72 = 16*p for p.

A:
-4