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 + 7x + 3y - 17 = -10
4w + 18x - 8y + 8 = 2
9w + 4x + 15y + 19 = 3
3w + 10x + 10y + 12 = 15
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