Q: Solve:
Solve 2313*w - 1743*w = -11970 for w.

A: -21

Q: Solve:
Solve 99*b - 105*b + 24 = 0 for b.

A: 4

Q: Solve:
Solve -1370*r = -1819*r - 1938 + 29776 for r.

A:
62