Q: Solve 490 + 1198 = 115*q - 1072 for q.

A: 24

Q: Solve 7*l + 29 = 36 for l.

A: 1

Q: Solve -238*l - 1231 - 1849 + 700 = 0 for l.

A: -10

Q: Solve 24*r - 528*r + 25*r - 17639 = 90*r for r.

A:
-31