Q: Solve 167289 = 2872*x + 713 for x.

A: 58

Q: Solve 30*a - 4*a = -52 for a.

A: -2

Q: Solve 4*x + 7 = 3 for x.

A: -1

Q: Solve -929*z = -593*z - 5712 for z.

A:
17