25-02-2021
Mathematics

contestada

2x + y: 7
3x - 4y = 5

Respuesta :

Batanouny Batanouny

25-02-2021

Answer:

y=7-2x

3x-4(7-2x)=5

3x-28+8x=5

11x=33

x=3

y=7-2(3)

y=7-6

y=1

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