Question: What is the solution?

Solve -9893*m + 9866*m = 1701 for m.

Answer: -63

Question: What is the solution?

Solve -142*y - 399*y = 355*y + 157*y + 9477 for y.

Answer: -9

Question: What is the solution?

Solve -88*a + 406*a = -248 - 2932 for a.

Answer: -10

Question: What is the solution?

Solve -o + 2 = -3*o for o.

Answer:
-1