Question

{x=2+y
{x+y=6



me ajudem usando o metodo de substituicao!!​

Answer 1

{x = 2 + y

{x + y = 6

(2 + y) + y = 6

2 + 2y = 6

2y = 6 - 2

2y = 4

y = 4

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2

y = 2

x = 2 + y

x = 2 + 2

x = 4

S = {4 , 2}

Answer 2

2 + y + y = 6
6 - 2 = 2y
4= 2y
Y= 2

X= 2+y
X= 2+ 2
X = 4