Q: Solve -7*w + 8*w + 3 = 0 for w.

A: -3

Q: Solve 38963*y = 38961*y + 26 for y.

A: 13

Q: Solve 0 = -51*u + 48*u + 12 for u.

A: 4

Q: Solve 0 = -2*a - 11*a - 13 for a.

A:
-1