Question: What is the solution?

Solve -285*o - 140 = -299*o - 14 for o.

Answer: 9

Question: What is the solution?

Solve 9119*w = -217184 - 101981 for w.

Answer: -35

Question: What is the solution?

Solve -2645*z = -2673*z - 700 for z.

Answer: -25

Question: What is the solution?

Solve -38 = 66*l + 2 - 238 for l.

Answer:
3