Q: What is the solution?
Solve 2179 + 2392 = -109*d + 6474 + 8125 for d.

A: 92

Q: What is the solution?
Solve 24*r - 174*r + 3120 = 45*r for r.

A: 16

Q: What is the solution?
Solve -72541*c = -74144*c + 176330 for c.

A:
110