Q: What is the solution?
Solve 693 = 786*v - 753*v for v.

A: 21

Q: What is the solution?
Solve -82*v + 86*v + 24 = 0 for v.

A: -6

Q: What is the solution?
Solve -5*z = 12*z + 82*z + 1881 for z.

A:
-19