Use elimination method to solve the system equations using an ordered pair or a simplified fraction. 9x-5y=-3. 9×+8y=10

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

‼️‼️‼️10 points‼️‼️‼️ me it’s important‼️‼️‼️‼️‼️