Q: Solve -112*y - 138*y + 110*y = -2660 for y.

A: 19

Q: Solve -2*u + 6337 = 6361 for u.

A: -12

Q: Solve 216*y + 56 = 208*y for y.

A: -7

Q: Solve 9*f - 7 = 11*f - 29 for f.

A:
11