ad62563 ad62563

20-12-2019
Mathematics

contestada

12
x
−
8
y
=
24
6
x
−
y
=
21

Respuesta :

Stefanisaska Stefanisaska

20-12-2019

Answer: x=4

y=3

Step-by-step explanation:

12x-8y=24

6x-y=21

---------------------

y=6x-21

12x-8(6x-21)=24

12x-48x+168=24

-36x=-144

x=144/36

x=4

y=24-21

y=3

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