Q: What is the solution?
Solve 0 = -2028*x + 2021*x - 77 for x.

A: -11

Q: What is the solution?
Solve -3 = 57*d - 60*d for d.

A: 1

Q: What is the solution?
Solve -11*y + 3 = -12*y for y.

A:
-3