Question:
Solve 2788*v - 2694*v - 498 - 1570 = 0 for v..

Answer:
22

Question:
Solve 4001*i + 430 = 3958*i for i..

Answer:
-10

Question:
Solve -1376*t + 682*t = -687*t - 140 for t..

Answer:
20

Question:
Solve -9*u + 18 = -0 for u..

Answer:
2