Question: What is the solution?

Solve -465*y + 1205 = -2050 for y.

Answer: 7

Question: What is the solution?

Solve 3*s - 7*s = 0 for s.

Answer: 0

Question: What is the solution?

Solve 0 = 420*z + 3058 + 3242 for z.

Answer: -15

Question: What is the solution?

Solve -124*t - 196 + 49 = -103*t for t.

Answer:
-7