Q: Solve:
Solve 2*n - 4*n + 6 = 0 for n.

A: 3

Q: Solve:
Solve 0 = -56*i - 37*i + 762 + 1098 for i.

A: 20

Q: Solve:
Solve 684 = -469*t + 412*t for t.

A:
-12