Q: Solve -50716*a = -50703*a - 65 for a.

A: 5

Q: Solve 320 = -60*c + 2060 for c.

A: 29

Q: Solve h - 66*h + 1507 = 142 for h.

A: 21

Q: Solve -4*i + 193 - 209 = 0 for i.

A:
-4