Q: Solve 0 = 9682*u - 9685*u + 54 for u.

A: 18

Q: Solve 0 - 84 = 12*q for q.

A: -7

Q: Solve 453*v - 21894 = 12634 + 12584 for v.

A: 104

Q: Solve -2472*a + 2114*a + 19332 = 0 for a.

A:
54