Q: Solve 0 = -18*c - 11*c - 290 for c.

A: -10

Q: Solve -x + 1 = 3 for x.

A: -2

Q: Solve 585*h = 629*h + 836 for h.

A: -19

Q: Solve -15*z = -40 + 10 for z.

A:
2