Q: What is the solution?
Solve -4047*c = -4018*c for c.

A: 0

Q: What is the solution?
Solve 45*b + 35*b = 16*b + 448 for b.

A: 7

Q: What is the solution?
Solve -30*j + 144 = -56*j + 34*j for j.

A:
18