Question

resuelve :
x+y=8
x-y=10​

Answer 1

Respuesta:

(x , y) = (9 - 1)

Explicación paso a paso:

x+y=8

x=10+y

10 + y + y = 8

y = -1

x = 10 + (-1)

x = 9

(x , y) =(9 - 1)

9 + (-1) =8

9 - (-1) = 10

8 = 8

10 = 10

(x , y) = ( 9 - 1)