Question

x=y
x+y=1
deixa o calculo por favor

Answer 1

y+y=1

y= 1/2

x=1/2

(x,y)=(1/2,1/2)

1/2=1/2

1/2+1/2=1

1/2=1/2

1/2+1/2

1=1

(x,y)= (1/2,1/2)