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1.
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Identify the number of solutions for the system of equations
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\begin{equation}y=3x-9\textrm{ },\textrm{ }3x-y=-9\end{equation}
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2.
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Identify the number of solutions for the system of equations
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\begin{equation}8x-8y=4\textrm{ },\textrm{ }-40x-40y=48\end{equation}
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3.
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Identify the number of solutions for the system of equations
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\begin{equation}y+6x=6\textrm{ },\textrm{ }6x+y=4\end{equation}
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4.
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Identify the number of solutions for the system of equations
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\begin{equation}8x+7y=7\textrm{ },\textrm{ }\frac{7}{8} \times x+y=4\end{equation}
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5.
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Identify the number of solutions for the system of equations
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\begin{equation}5x-6y=-5\textrm{ },\textrm{ }-8x+y=8\end{equation}
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6.
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Identify the number of solutions for the system of equations
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\begin{equation}y=10x+2\textrm{ },\textrm{ }10y-100x=20\end{equation}
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