Q: Solve 0 = 4*x - 18*x + 42 for x.

A: 3

Q: Solve 241*a = 235*a + 13 + 11 for a.

A: 4

Q: Solve -45279*v + 45354*v + 2325 = 0 for v.

A: -31

Q: Solve 2*z - 74 + 74 = 0 for z.

A:
0