Question: What is the solution?

Solve 296 = -354*b + 391*b for b.

Answer: 8

Question: What is the solution?

Solve 0 = 57*d - 4*d + 530 for d.

Answer: -10

Question: What is the solution?

Solve 0 = 416*w - 2644 - 8588 for w.

Answer: 27

Question: What is the solution?

Solve 572 + 10998 = 63*x + 115*x for x.

Answer:
65