Question: What is the solution?

Solve 118*m + 14 = 104*m for m.

Answer: -1

Question: What is the solution?

Solve -22516 + 44668 - 22977 = 33*f for f.

Answer: -25

Question: What is the solution?

Solve 57*z - 290 = -z for z.

Answer: 5

Question: What is the solution?

Solve 26*r = 13*r - 65 for r.

Answer:
-5