Question: What is the solution?

Solve 1 = 36*u - 34*u - 1 for u.

Answer: 1

Question: What is the solution?

Solve -23 - 1 = 12*y for y.

Answer: -2

Question: What is the solution?

Solve -424 + 224 = -25*t for t.

Answer: 8

Question: What is the solution?

Solve -50*s - 429 + 3381 = -214*s for s.

Answer:
-18