Question:
Solve 2*p = -3*p + 5 for p..

Answer:
1

Question:
Solve 38*q + 176 = -3*q + 1570 for q..

Answer:
34

Question:
Solve 48*a + 20 = 44*a for a..

Answer:
-5

Question:
Solve 15 = -3*p + 6*p for p..

Answer:
5