Question: What is the solution?

Solve -2162*l = 4517*l - 357*l + 158050 for l.

Answer: -25

Question: What is the solution?

Solve -10*d - 67*d = -308 for d.

Answer: 4

Question: What is the solution?

Solve 4*w = 19513 - 19509 for w.

Answer: 1

Question: What is the solution?

Solve 16*d + 16 = 12*d for d.

Answer:
-4