Question

qual o resultado dessa equação?{2x+4y=14 {x+y=5

Answer 1

Resposta:

2x + 4y= 14

<=> 2x= 14 - 4y

<=> x= 7 - 2y

<=> x= 7 - 2y , y ∈ R

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x+y=5

<=> x= 5 - y

<=> x= 5- y, y ∈ R

Answer 2

It has to say a few more days to get to it but it doesn’t seem a lot