patricia28 patricia28

26-07-2014
Mathematics

Answered

solve by substitution ( show steps)
y=3x+2
3x-y=2

Answer :

Аноним Аноним

26-07-2014

[tex]\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[/tex]

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konrad509 konrad509

26-07-2014

[tex]y=3x+2\\ 3x-y=2\\\\ 3x-(3x+2)=2\\ 3x-3x-2=2\\ -2=2\\ x\in\emptyset \Rightarrow y\in\emptyset[/tex]

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