Question:
Solve -14*r + 1127 = 1421 for r..

Answer:
-21

Question:
Solve -119*p + 208 + 72 = -79*p for p..

Answer:
7

Question:
Solve 0 = -1031*r + 856*r - 699 + 13999 for r..

Answer:
76

Question:
Solve -92*i + 1086*i = 1988 for i..

Answer:
2