Question: What is the solution?

Solve -7*b + 34 = 10*b for b.

Answer: 2

Question: What is the solution?

Solve 585 = -85*a + 20*a for a.

Answer: -9

Question: What is the solution?

Solve 4001*w - 3894*w = -2568 for w.

Answer: -24

Question: What is the solution?

Solve 54*l + 12 = 48*l for l.

Answer:
-2