Question:
Solve 0 = 61*r + 167 + 504 for r..

Answer:
-11

Question:
Solve -261669 - 262448 = 10348*u - 120545 for u..

Answer:
-39

Question:
Solve -31490 = -2430*u + 14680 for u..

Answer:
19

Question:
Solve -40*g - 43*g + 448 = -27*g for g..

Answer:
8