Question: What is the solution?

Solve -608 = 5*a - 603 for a.

Answer: -1

Question: What is the solution?

Solve -227*u - 2188 = 536 for u.

Answer: -12

Question: What is the solution?

Solve 74330 = 63*y + 74960 for y.

Answer: -10

Question: What is the solution?

Solve -53 - 42 = -14*x + 3 for x.

Answer:
7