Question

2x+2y=5
4x - y=0
Ajuda urgenteeee​

Answer 1

Resposta:

x = 1/2

y = 2

Explicação passo-a-passo:

2x+2y=5

4x - y=0 (2)

2x+2y=5

8x - 2y=0 (+)

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10x = 5

x = 5/10 (:5)/(:5)

x = 1/2

4x - y = 0

4x = y

y = 4x

y = 4.1/2

y = 4/2

y = 2