Question: What is the solution?

Solve 52*k - 89 + 620 = -814 - 475 for k.

Answer: -35

Question: What is the solution?

Solve -12*b + 380 = 83*b for b.

Answer: 4

Question: What is the solution?

Solve 4470 = -35*w + 3840 for w.

Answer: -18

Question: What is the solution?

Solve 27*w - 12*w = -30*w - 360 for w.

Answer:
-8