Q: Solve -4*p + 8*p + 48 = 10*p for p.

A: 8

Q: Solve -10*c - 55 = 45*c for c.

A: -1

Q: Solve 18 = -5*l + 13 for l.

A: -1

Q: Solve 638*v + 179*v + 29543 + 48457 = -383*v for v.

A:
-65