Q: What is the solution?
Solve 19558*z - 15708 = 19327*z for z.

A: 68

Q: What is the solution?
Solve 3*z - 65418 = -0*z + 27*z - 63762 for z.

A: -69

Q: What is the solution?
Solve 714*y + 1242*y = -34200 - 42243 + 21675 for y.

A:
-28