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Mathematics, 10.02.2020 06:01 zahradawkins2007

What is the result of adding these two equations?
\begin{aligned} -2x+7y &= -5 -2x-4y &= 6 \end{aligned}
−2x+7y
−2x−4y


=−5
=6


=4

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Answers: 3

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What is the result of adding these two equations?
\begin{aligned} -2x+7y &= -5 -2x-4y &am...

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