Q: What is the solution?
Solve 0 = -1221*i + 1150*i - 6958 for i.

A: -98

Q: What is the solution?
Solve -29*t = 8 + 21 for t.

A: -1

Q: What is the solution?
Solve 16 = -4*d - 0 for d.

A:
-4