Q: Solve -10*c + 780 - 760 = 0 for c.

A: 2

Q: Solve 6414*h = -509*h + 401534 for h.

A: 58

Q: Solve -1330 = -8743*y + 8648*y for y.

A: 14

Q: Solve 502*h + 3004 = -3522 for h.

A:
-13