Question: What is the solution?

Solve -28 = -r + 8*r for r.

Answer: -4

Question: What is the solution?

Solve 192*h = 214*h + 154 for h.

Answer: -7

Question: What is the solution?

Solve 0 = -32*y + 43*y - 22 for y.

Answer: 2

Question: What is the solution?

Solve -355013*b = -355002*b + 33 for b.

Answer:
-3