Question:
Solve 326 = 43*n + 1057 for n..

Answer:
-17

Question:
Solve -1187*d - 122880 = 1373*d for d..

Answer:
-48

Question:
Solve 27*o = -62 - 100 for o..

Answer:
-6

Question:
Solve 197*d - 194*d = 60 for d..

Answer:
20