Q: Solve 22*d = 18*d - 20*d + 48 for d.

A: 2

Q: Solve 744197 = 1426*c + 634395 for c.

A: 77

Q: Solve 103*s - 69*s + 94*s = -3456 for s.

A: -27

Q: Solve 0 = 176*w - 63*w - 52 - 1304 for w.

A:
12