Question: What is the solution?

Solve 74144*f = 74117*f - 54 for f.

Answer: -2

Question: What is the solution?

Solve 45*a + 359 = -1 for a.

Answer: -8

Question: What is the solution?

Solve 11*h = -33*h - 176 for h.

Answer: -4

Question: What is the solution?

Solve -21*z - 31332 = 601*z + 124*z for z.

Answer:
-42