Q: What is the solution?
Solve 42*z = -142*z - 65*z - 5976 for z.

A: -24

Q: What is the solution?
Solve 577*x + 6450 = 147*x for x.

A: -15

Q: What is the solution?
Solve -1359 = -101*d - 955 for d.

A:
4