Q: Solve -84*i = -115*i for i.

A: 0

Q: Solve 51885*t - 52045*t - 6880 = 0 for t.

A: -43

Q: Solve 324*u = -96*u - 115*u + 10165 for u.

A: 19

Q: Solve -99*k + 85*k = 84 for k.

A:
-6