Ingeborg195 Ingeborg195

29-10-2014
Mathematics

Answered

The ordered pair (1, -5) is a solution for the system x + 2y = -9 and x - y = 6 True False

Answer :

konrad509 konrad509

29-10-2014

[tex]1+2\cdot(-5)=-9\\ 1-10=-9\\ -9=-9\Rightarrow \hbox{ true}\\\\ 1-(-5)=6\\ 1+5=6\\ 6=6 \Rightarrow \hbox{ true}[/tex]

TRUE

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beccashaw beccashaw

29-10-2014

TRUE
(1) + (-10) = -9
(1) - (-5) = 6

Answer Link

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