Question:
Solve -9*d + 9*d - 89*d + 457 = -433 for d..

Answer:
10

Question:
Solve -2*o + 18*o = -96 for o..

Answer:
-6

Question:
Solve 46*k - 73 = -27 for k..

Answer:
1

Question:
Solve -138801 = -1329*d - 24507 for d..

Answer:
86