Q: Solve:
Solve 3*k + 64 - 52 = 0 for k.

A: -4

Q: Solve:
Solve -14209*b = -14649*b - 17600 for b.

A: -40

Q: Solve:
Solve -2634*r - 1493 = -2820*r + 553 for r.

A:
11