Q: Solve 90*f + 18*f - 1512 = 0 for f.

A: 14

Q: Solve 0 = -11*f + 21 + 23 for f.

A: 4

Q: Solve 352682*f + 7479 = 352959*f for f.

A: 27

Q: Solve -8*d - 34 = 22 for d.

A:
-7