Q: Solve:
Solve -377*i = -157*i - 160*i - 780 for i.

A: 13

Q: Solve:
Solve 3435*d - 3597*d + 324 = 0 for d.

A: 2

Q: Solve:
Solve 0 = 212*m + 79010 + 79175 - 158397 for m.

A:
1