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Enter equation 1:

a =  b =  c =  d =  e = 

Enter equation 2:

f =  g =  h =  i =  j = 

Enter equation 3:

k =  l =  m =  n =  o = 

Enter equation 4:

p =  q =  r =  s =  t =  <-- Equation 4
The following four unknown practice equations have been generated for you:
10w + 16x + 11y - 18 = -11
4w + 4x - 12y + 11 = 11
16w + 18x + 6y + 17 = 7
18w + 8x + 17y + 10 = 4
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