\begin{cases} -3x+3y=9 2x-7y=-14 \end{cases}
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Mathematics, 24.04.2020 21:25 182075
\begin{cases} -3x+3y=9 2x-7y=-14 \end{cases}
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−3x+3y=9
2x−7y=−14
Answers: 1
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