maria224 maria224
  • 26-01-2017
  • Mathematics
contestada

X + y=-4
X +2y=13
Using elimination method

Respuesta :

jdoe0001 jdoe0001
  • 26-01-2017
[tex]\begin{array}{lrlll} x+y=-4&\times -1\implies &-x-y=4\\ x+2y=13&\implies &\ x+2y=13\\ &&\textendash\textendash\textendash\textendash\textendash\textendash\textendash\textendash\textendash\textendash\textendash\\ &&\boxed{?}+\boxed{?}=\boxed{?} \end{array}[/tex]
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