Q: What is the solution?
Solve -106*a + 691 + 1758 = -1336 + 393 for a.

A: 32

Q: What is the solution?
Solve -10*r + 125 + 77 + 218 = 0 for r.

A: 42

Q: What is the solution?
Solve 12 = 24*w - 12 for w.

A:
1