Question: What is the solution?

Solve -2*d = -7 - 1 for d.

Answer: 4

Question: What is the solution?

Solve 132*w + 1584 = 168*w for w.

Answer: 44

Question: What is the solution?

Solve -3*p - 9 = 6 for p.

Answer: -5

Question: What is the solution?

Solve -209*t - 1380 = -6240 - 1410 for t.

Answer:
30