Q: Solve:
Solve 16*t + 231*t - 12390 = -31*t - 76*t for t.

A: 35

Q: Solve:
Solve 10*m - 7*m = -12 for m.

A: -4

Q: Solve:
Solve 16 = 6*x - 2*x for x.

A:
4