Q: Solve -37*f + 18*f - 57 = 0 for f.

A: -3

Q: Solve 176*v - 35659 = -23867 for v.

A: 67

Q: Solve -15*x - 109*x = -981 + 237 for x.

A: 6

Q: Solve -54*s + 47*s = -35 for s.

A:
5