Q: Solve -21 = -18*q - 3 for q.

A: 1

Q: Solve 44*i - 184 = 300 for i.

A: 11

Q: Solve 0 = 153*y + 1890 - 207 for y.

A: -11

Q: Solve 374*j - 824*j + 240*j = -17640 for j.

A:
84