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Minchanka [31]
3 years ago
8

What's the answer to 16x-10y=10                              -8x-6y=6

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
7 0
\begin{cases} 16x-10y=10 \\ -8x-6y=6 \ \ /*2\end{cases}\\ \\\begin{cases} 16x-10y=10 \\ -16x-12y=12 \end{cases}\\ + --------\\ -22y=22 \ \ /:(-22) \\ \\ y=-1

16x-10*(-1)=10\\ \\16x+10=10\\ \\16x=10-10\\ \\16x=0 \\ \\x=0 \\ \\ \begin{cases}x=0 \\ y=-1\end{cases}


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