Question:
Solve -173*d - 739*d + 5734 = -650 for d..

Answer:
7

Question:
Solve -2144*c - 1062 = -28934 for c..

Answer:
13

Question:
Solve 0 = -5*d - 411 + 421 for d..

Answer:
2

Question:
Solve 0 = -101*n + 358*n - 18290 + 4926 for n..

Answer:
52