Q: Solve -203*r - 67*r - 2800 = -294*r + 164*r for r.

A: -20

Q: Solve 13*p = 5*p + 40 for p.

A: 5

Q: Solve 8483 - 8535 = 52*y for y.

A: -1

Q: Solve 676 = -64*b - 1076 + 408 for b.

A:
-21