1

a =  b =   c =   d = 

Enter equation 2:

e =  f =   g =   h = 

Enter equation 3:

i =  j =   k =   l = 
  
The following three 3 unknowns equations have been generated for you as practice:
6x + 18y + 4z = 15
2x + 8y + 3z = 6
8x + 9y + 7z = 13

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