Question:
Solve -28 - 56 = -433*j + 440*j for j..

Answer:
-12

Question:
Solve -66*s - 324*s + 4680 = 0 for s..

Answer:
12

Question:
Solve -397705 = -1770*u + 5622*u + 3379*u for u..

Answer:
-55

Question:
Solve 245 = 37*i - 14 for i..

Answer:
7