Question

x=5-y
x=9-6y
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Answer 1

x = 5 -y (1)

x = 9 - 6y (2)

Então comparando (1) e (2) fica:

5 -y = 9 - 6y
-y + 6y = 9 - 5 
5y = 4 
y = 4/5

x = 5 -y = 5 - 4/5 = (25 -4) /5 = 21/5
y = 21/5

S ={4/5, 21/5}

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02/02/2017
Sepauto
SSRC
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