Q: Solve -a + 1882 = 1889 for a.

A: -7

Q: Solve -29002 = -7885*a + 6179*a for a.

A: 17

Q: Solve -19 - 21 = -8*j for j.

A: 5

Q: Solve 41*i = -i + 10*i - 160 for i.

A:
-5