Question:
Solve 0 = -w + 299 - 292 for w..

Answer:
7

Question:
Solve 5471*q + 224 = 5479*q for q..

Answer:
28

Question:
Solve 0 = -p - 5 + 10 for p..

Answer:
5

Question:
Solve 18565*a - 18558*a - 75 = 30 for a..

Answer:
15