Q: Solve:
Solve -9*m + 6 = -6*m for m.

A: 2

Q: Solve:
Solve -904 = -374*r - 13376 + 2000 for r.

A: -28

Q: Solve:
Solve -7*t - 411 - 3389 - 1512 = -71*t for t.

A:
83