Mathematics, 11.11.2020 16:00 nekobaby75

Which of these strategies would eliminate a variable in the system of equations? \begin{cases} -x+6y=8 7x -y = -2 \end{cases}
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−x+6y=8
7x−y=−2

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Which of these strategies would eliminate a variable in the system of equations? \begin{cases} -x+6...