(Solution Library) Solve using the multiplication principle: -x-y=8 , 2x-y=-1
Question: Solve using the multiplication principle:
\[\begin{aligned} & -x-y=8 \\ & 2x-y=-1 \\ \end{aligned}\]
Price: $2.99
Solution: The downloadable solution consists of 1 pages
Deliverable: Word Document 
