Khan acadamy Answer two questions about Systems AAA and BBB:
System AAA \text{\quad}start text, end text System BBB
\begin{cases}-3x-2y=45x-8y=-1\end{c ases}
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−3x−2y=4
5x−8y=−1

\begin{cases}5x-8y=-1-3x-2y=4\end{c ases}
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5x−8y=−1
−3x−2y=4


1) How can we get System BBB from System AAA?

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