Q: Solve -4865*i - 126 = -4847*i for i.

A: -7

Q: Solve 27*z - 11*z = 0 for z.

A: 0

Q: Solve 27*h - 33*h = -24 for h.

A: 4

Q: Solve -20*a = -23*a - 107*a + 2310 for a.

A:
21