MaayanG378622 MaayanG378622
  • 28-10-2022
  • Mathematics
contestada

-x+y=4x+3y=4solve for x and y

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KyngstonY29685 KyngstonY29685
  • 28-10-2022
[tex]\begin{cases}-x+y=4 \\ x+3y=4\end{cases}\rightarrow4y=8\rightarrow y=2[/tex]

having that y=2 we get that

[tex]\begin{gathered} -x+2=4 \\ -x=4-2=2 \\ x=-2 \end{gathered}[/tex]

therefore x=-2 and y=2

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