Question:
Solve -359 = -2*r - 355 for r..

Answer:
2

Question:
Solve -88*b + 1391 + 1522 - 963 + 514 = 0 for b..

Answer:
28

Question:
Solve 51*p - 12 = 57*p for p..

Answer:
-2

Question:
Solve 343 = -97*t - 336 for t..

Answer:
-7