Q: Solve -16*n = -7*n - 85*n + 35*n + 3567 for n.

A: 87

Q: Solve 212*y = 4357 - 12837 for y.

A: -40

Q: Solve 0 = -51*i + 22*i - 37*i - 924 for i.

A: -14

Q: Solve -20*f = -15*f for f.

A:
0