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

User Serverfaces
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1 Answer

4 votes

Given:


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

Sol:.


\begin{gathered} 8x+2y=0 \\ 8x=-2y \end{gathered}

Put the value of y in second equation:


\begin{gathered} 4x+y=-1 \\ 4x-4x=-1 \end{gathered}

User Rosghub
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