Respuesta :
Answer:
5 & 8
Step-by-step explanation:
x-y = 3 -> x = 3+y
x+y = 13 = 3+y+y -> 3+2*y = 13
2*y = 10 -> y = 5
-> x = 3+y = 8
Answer:
5,8
Step-by-step explanation:
x-y=3
x+y=13
(x-y)(x+y)=3*13
x^2-y^2=39
x=8, y=5
Answer:
5 & 8
Step-by-step explanation:
x-y = 3 -> x = 3+y
x+y = 13 = 3+y+y -> 3+2*y = 13
2*y = 10 -> y = 5
-> x = 3+y = 8
Answer:
5,8
Step-by-step explanation:
x-y=3
x+y=13
(x-y)(x+y)=3*13
x^2-y^2=39
x=8, y=5