Q: What is the solution?
Solve -87*o + 74*o + 39 = 0 for o.

A: 3

Q: What is the solution?
Solve 452*w - 372 - 532 = 0 for w.

A: 2

Q: What is the solution?
Solve -236*d - 13*d + 4802 = 94*d for d.

A:
14