Question:
Solve 6547*x = 5348*x - 56353 for x..

Answer:
-47

Question:
Solve 233695 - 51886 = -2227*x - 112155 for x..

Answer:
-132

Question:
Solve -1777773*u + 8664 = -1777621*u for u..

Answer:
57

Question:
Solve -1277*i + 1493*i - 19224 = 0 for i..

Answer:
89