Q: Solve 50*q - 63 = 207 + 580 for q.

A: 17

Q: Solve -101*a = -1680 - 37 for a.

A: 17

Q: Solve -31*x - 28*x - 53041 = -53631 for x.

A: 10

Q: Solve -127*x + 460 + 389 = -815 - 368 for x.

A:
16