Practice problem
Solve the system. x−y=83y−x=12\begin{align} x-y&=8\\ 3y-x&=12 \end{align}x−y3y−x=8=12
x=10,y=2x=10, y =2x=10,y=2
x=15,y=7x=15, y=7x=15,y=7
x=12,y=8x=12, y =8x=12,y=8
x=18,y=10x= 18, y=10x=18,y=10
Type a concept, like “slope” or “photosynthesis”.
