Question:
Solve 104 = -25*o + 54 for o..

Answer:
-2

Question:
Solve -13*a + 156*a - 107*a - 828 = 0 for a..

Answer:
23

Question:
Solve -16082*p + 14 = -16089*p for p..

Answer:
-2

Question:
Solve -2*x - 17 + 25 = 0 for x..

Answer:
4