Question:
Solve 0 = 10*s + 22 - 62 for s..

Answer:
4

Question:
Solve -9195 - 711 = 254*i for i..

Answer:
-39

Question:
Solve 8*r - 32*r = -144 for r..

Answer:
6

Question:
Solve 12340*p = 12277*p + 189 for p..

Answer:
3