Question

Resuelve x+y =10 x-y=8
a) [( 8;4)]
b) [(6;8)]
c)[( 9;1)]
d) [(5;5)]
ayudenme pliss​

Answer 1

Respuesta:

[(9,1)]

Explicación paso a paso:

x+y =10

x-y=8

x+y+x-y=10+8

2x=18

x=9

Ahora hallamos "y":

x-y=8

9-y=8

1=y

Entonces:

x=9 , y=1

[(9,1)]