Question:
Solve 5*w - 87*w + 738 = 0 for w..

Answer:
9

Question:
Solve 33*d - 25*d = 32 for d..

Answer:
4

Question:
Solve -5*c - 99*c = 20475 + 15906 - 30245 for c..

Answer:
-59

Question:
Solve -178*f = 26*f - 1728 - 108 for f..

Answer:
9