Q: What is the solution?
Solve -86*w + 868 + 164 = 0 for w.

A: 12

Q: What is the solution?
Solve -12*x + 6 = -6 for x.

A: 1

Q: What is the solution?
Solve 349370 = 398*v + 384792 for v.

A:
-89