Question: What is the solution?

Solve -2406 - 1220 = 272*d + 726 for d.

Answer: -16

Question: What is the solution?

Solve 4*b - 181 = -189 for b.

Answer: -2

Question: What is the solution?

Solve -222*d - 1999 = 3045 - 1492 for d.

Answer: -16

Question: What is the solution?

Solve 606*l = -374 - 232 for l.

Answer:
-1