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candyeater1214
candyeater1214 candyeater1214
  • 12-03-2014
  • Mathematics
Answered

What is the answer to:

x + y = 4

Y= x+4

Using elimination

Verified Answer :

kamil
kamil kamil
  • 12-03-2014

x + y = 4
y = x + 4

x + (x + 4) = 4
y = x + 4

2x + 4 = 4 
y = x + 4

2x = 4 - 4 
y = x + 4 

x = 0
y = 0 + 4

x = 0 
y = 4

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