Question: What is the solution?

Solve -14*f + 18 + 7 = 235 for f.

Answer: -15

Question: What is the solution?

Solve -27*p - 70 + 631 = 291 for p.

Answer: 10

Question: What is the solution?

Solve 20*v + 40*v + 6924 = 3144 for v.

Answer: -63

Question: What is the solution?

Solve -143*v + 5732 = 870 for v.

Answer:
34