Question: What is the solution?

Solve -152*l + 2730 = 43*l for l.

Answer: 14

Question: What is the solution?

Solve 578*b - 553*b = -150 for b.

Answer: -6

Question: What is the solution?

Solve -69*s = 141 + 628 - 148 for s.

Answer: -9

Question: What is the solution?

Solve -53*b = 437 - 187 + 453 + 940 for b.

Answer:
-31