Question: What is the solution?

Solve 3 + 9 = 3*y for y.

Answer: 4

Question: What is the solution?

Solve -565*w = -771*w - 4326 for w.

Answer: -21

Question: What is the solution?

Solve -t + 8 - 1 = 0 for t.

Answer: 7

Question: What is the solution?

Solve 23*s = 101 - 101 for s.

Answer:
0