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:
16w + 16x + 9y - 8 = -15
20w + 14x - 14y + 7 = 14
12w + 2x + 13y + 3 = 3
16w + 17x + 8y + 4 = 17
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