Question:
Solve 274*y + 278*y - 41257 = -120*y + 2423 for y..

Answer:
65

Question:
Solve 4 = -4*r + 3*r for r..

Answer:
-4

Question:
Solve 20*x - 248 = -11*x for x..

Answer:
8

Question:
Solve 29*p = -1721 + 1750 for p..

Answer:
1