Q: Solve:
Solve -86*x + 48*x = -12*x - 234 for x.

A: 9

Q: Solve:
Solve -108*l - 216 + 907 = -1793 for l.

A: 23

Q: Solve:
Solve 2807 - 2753 = -9*z for z.

A:
-6