What is the result of adding these two equations?
\begin{aligned} 2x+7y &= 4 -2x-8y &...
Mathematics, 05.03.2020 16:21 blan69
What is the result of adding these two equations?
\begin{aligned} 2x+7y &= 4 -2x-8y &= -2 \end{aligned}
2x+7y
−2x−8y
=4
=−2
Answers: 2
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