Q: What is the solution?
Solve -281 + 211 = -7*p for p.

A: 10

Q: What is the solution?
Solve 230 = -32654*u + 32644*u for u.

A: -23

Q: What is the solution?
Solve 539*z - 668*z + 1482*z = -1903*z + 45584 for z.

A:
14