Q: Solve:
Solve 3*r + 16643 - 16625 = 0 for r.

A: -6

Q: Solve:
Solve -124*v + 11*v - 1049 = 144*v + 2806 for v.

A: -15

Q: Solve:
Solve -98*u - 851 = 10*u + 13 for u.

A:
-8