Question: What is the solution?

Solve -2*b + 10 = -7*b for b.

Answer: -2

Question: What is the solution?

Solve -4514 = -108*z - 1166 for z.

Answer: 31

Question: What is the solution?

Solve -101*j + 5628 - 1932 = 130*j for j.

Answer: 16

Question: What is the solution?

Solve -523*h - 10104 = 252*h - 104*h + 1303 for h.

Answer:
-17