Question: What is the solution?

Solve 114 - 132 = 3*x for x.

Answer: -6

Question: What is the solution?

Solve -141*w + 482*w + 771*w - 44886 - 49634 = 0 for w.

Answer: 85

Question: What is the solution?

Solve 1761 - 2337 = 72*o for o.

Answer: -8

Question: What is the solution?

Solve -9878 = 305*z - 13523 + 10050 for z.

Answer:
-21