Q: Solve 0 = -23*i - 45 - 47 for i.

A: -4

Q: Solve -13052669*x + 1728 = -13052645*x for x.

A: 72

Q: Solve 12428 = -21*k + 13205 for k.

A: 37

Q: Solve -200*f - 6007 = 4472 - 1079 for f.

A:
-47