Question: What is the solution?

Solve -429294*b + 7749 = -429105*b for b.

Answer: 41

Question: What is the solution?

Solve 1968*y - 1959*y = -126 for y.

Answer: -14

Question: What is the solution?

Solve -38*u - 80 = -22*u for u.

Answer: -5

Question: What is the solution?

Solve 69 = -16*k + 117 for k.

Answer:
3