Question:
Solve 54444 = -4137*k + 4835*k for k..

Answer:
78

Question:
Solve -10*z + 5*z + 10 = 0 for z..

Answer:
2

Question:
Solve -76 = 1208*j - 1227*j for j..

Answer:
4

Question:
Solve 493*z = 454*z - 273 for z..

Answer:
-7