Question:
Solve -16*p + 15 = -13*p for p..

Answer:
5

Question:
Solve -2983*q - 3887 = -3282*q for q..

Answer:
13

Question:
Solve -48*y + 357 = 18*y - 633 for y..

Answer:
15

Question:
Solve -244*x + 2019 + 909 = 0 for x..

Answer:
12