Question: What is the solution?

Solve -1610*d = -1541*d - 1380 for d.

Answer: 20

Question: What is the solution?

Solve 94*v + 3563 - 2811 = 0 for v.

Answer: -8

Question: What is the solution?

Solve -1000*p = 625*p + 104000 for p.

Answer: -64

Question: What is the solution?

Solve -246*t + 732*t - 493*t + 189 = 0 for t.

Answer:
27