Respuesta :

to know which point achieve min of 2x+2y, we need to test these four points:

0,7
2*0+2*7=14

3,7
2*3+2*7=6+14=20

6,3
2*6+2*3=12+6=18

6,0
2*6+2*0=12

so the point (6,0) is the point that satisfies the minimum value of 2x+2y



hope that helps