Q: What is the solution?
Solve -784*j = -364*j + 2100 for j.

A: -5

Q: What is the solution?
Solve 0 = 8054*a - 7915*a - 1668 for a.

A: 12

Q: What is the solution?
Solve -1227829 = 690*t - 1195399 for t.

A:
-47