Question:
Solve -2215491*w + 75779 = -2214578*w for w..

Answer:
83

Question:
Solve -242*y = -234*y for y..

Answer:
0

Question:
Solve 0 = 93*u - 290*u + 394 for u..

Answer:
2

Question:
Solve -719*o + 3179*o + 135275 = -628*o - 777*o for o..

Answer:
-35