Question:
Solve 273*h = 90*h - 286*h - 10787 for h..

Answer:
-23

Question:
Solve -409*r = 936*r + 33779 + 20021 for r..

Answer:
-40

Question:
Solve 54*p - 71*p + 51 = 0 for p..

Answer:
3

Question:
Solve 38*u - 28*u = 10 for u..

Answer:
1