Question: What is the solution?

Solve -68*v - 1359 = 96*v - 13*v for v.

Answer: -9

Question: What is the solution?

Solve 1124 = 423*g - 3952 for g.

Answer: 12

Question: What is the solution?

Solve 5*f + 39 = 31*f - 221 for f.

Answer: 10

Question: What is the solution?

Solve 172*f = -55*f - 461 + 7 for f.

Answer:
-2