Q: What is the solution?
Solve 54*x - 13*x = 41 for x.

A: 1

Q: What is the solution?
Solve 78*z - 442 = -12*z + 278 for z.

A: 8

Q: What is the solution?
Solve -3800*o - 1439*o = 7849 - 32421 - 12101 for o.

A:
7