Q: Solve 0 = 97*v + 424 + 1225 for v.

A: -17

Q: Solve 0 = 2295*n - 2285*n - 60 for n.

A: 6

Q: Solve 141 = 4*p + 137 for p.

A: 1

Q: Solve 158*f = -223 - 251 for f.

A:
-3