Q: What is the solution?
Solve -132 - 6424 = -486*x + 784*x for x.

A: -22

Q: What is the solution?
Solve -2124 - 1488 = 258*a for a.

A: -14

Q: What is the solution?
Solve -604*q + 1132*q - 609*q - 3078 = 0 for q.

A:
-38