Q: Solve 2564*c - 47672 = 3372*c for c.

A: -59

Q: Solve 3*i - 153 + 180 = 0 for i.

A: -9

Q: Solve 38*s = 534 - 420 for s.

A: 3

Q: Solve 7426*u - 7384*u + 672 = 0 for u.

A:
-16