Question

os pares ordenados (-1,7), (-4,13). (5,5) (10,10) 2(x+y)

Answer 1

2(X+Y)

(-1,7)
2(-1+7)= 2(6)= 12

(-4,13)
2(-4+13)= 2(9)= 18

(5,5)
2(5+5)= 2(10)= 20

(10,10)
2(10+10)= 2(20)= 40