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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