DevanO210952 DevanO210952

26-10-2022
Mathematics

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help i dont understand 4x+y=-18x+2y=0

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PranayQ608806 PranayQ608806

26-10-2022

Given:

[tex]\begin{gathered} 4x+y=-1 \\ 8x+2y=0 \end{gathered}[/tex]

Sol:.

[tex]\begin{gathered} 8x+2y=0 \\ 8x=-2y \end{gathered}[/tex]

Put the value of y in second equation:

[tex]\begin{gathered} 4x+y=-1 \\ 4x-4x=-1 \end{gathered}[/tex]

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