Question: What is the solution?

Solve 0 = -5*u - 13*u + 54 for u.

Answer: 3

Question: What is the solution?

Solve 7*u - 52 = 20*u for u.

Answer: -4

Question: What is the solution?

Solve 152*y = 148*y + 20 for y.

Answer: 5

Question: What is the solution?

Solve -26*v = -33*v - 7 for v.

Answer:
-1