Question: What is the solution?

Solve 0 = -667*y + 9062 + 1381 - 438 for y.

Answer: 15

Question: What is the solution?

Solve -7*w = -5*w + 2 for w.

Answer: -1

Question: What is the solution?

Solve -17 = -6*f + 13 for f.

Answer: 5

Question: What is the solution?

Solve 131*i + 439 + 740 = 0 for i.

Answer:
-9