Q: Solve:
Solve 0 = -12*u + 13*u + 2 for u.

A: -2

Q: Solve:
Solve -347*c + 38052 = 1767*c for c.

A: 18

Q: Solve:
Solve -49*v + 2284 = -1846 - 443 + 1143 for v.

A:
70