Q: Solve -18*i - 16*i = 17*i for i.

A: 0

Q: Solve 0 = -44*s + 38*s - 30 for s.

A: -5

Q: Solve -12*d + 10 = -10*d for d.

A: 5

Q: Solve -927140*u + 927125*u = -235 - 470 for u.

A:
47