Problem: Math Problem
Solve 0 = 21*i - 455 + 392 for i.

A: 3

Problem: Math Problem
Solve -39*d + 56*d - 99 = 71 for d.

A: 10

Problem: Math Problem
Solve 274*y + 1712 + 3220 = 0 for y.

A:
-18