Q: Solve -202*o + 17 = -412*o + 209*o for o.

A: -17

Q: Solve 45*l = 3*l + 71 + 769 for l.

A: 20

Q: Solve 0 = -10*v + 17 + 3 for v.

A: 2

Q: Solve -184*r + 203*r + 171 = 0 for r.

A:
-9