Q: Solve:
Solve -1423 = 42*q - 667 for q.

A: -18

Q: Solve:
Solve 0 = -1839012*v + 1838539*v - 10406 for v.

A: -22

Q: Solve:
Solve 28*d - 36 = 32*d for d.

A:
-9