Question:
Solve 94 - 21 = 17*l - 97 for l..

Answer:
10

Question:
Solve 321075 = 3429*k + 1053*k + 29745 for k..

Answer:
65

Question:
Solve 0 = 290*x + 874 + 3226 - 910 for x..

Answer:
-11

Question:
Solve -2354 - 831 = -65*d for d..

Answer:
49