Q: Solve 0 = 26*d - 13*d - 52 for d.

A: 4

Q: Solve -244*p + 276*p = 416 for p.

A: 13

Q: Solve -16*u - 88*u - 416 = 0 for u.

A: -4

Q: Solve 599*i + 3230 = 694*i for i.

A:
34