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patricia28 patricia28
  • 26-07-2014
  • Mathematics
Answered

solve by substitution ( show steps)

y=3x+2

3x-y=2

Verified Answer :

Anonymous Anonymous
  • 26-07-2014

\(\left\{\begin{array}{ccc}y=3x+2\\3x-y=2\end{array}\right\\\\substitute\\\\3x-(3x+2)=2\\3x-3x-2=2\\-2=2-FALSE\\\\Answer:No\ solution\)

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konrad509
konrad509 konrad509
  • 26-07-2014

\(y=3x+2\\ 3x-y=2\\\\ 3x-(3x+2)=2\\ 3x-3x-2=2\\ -2=2\\ x\in\emptyset \Rightarrow y\in\emptyset\)

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