Practice problem
If −9y+4x−20=0-9y+4x-20=0−9y+4x−20=0 and −7y+16x−80=0,-7y+16x-80=0,−7y+16x−80=0, find the value of 10x+y10x + y10x+y.
555555
505050
686868
848484
Type a concept, like “slope” or “photosynthesis”.
