adrianasmith977 adrianasmith977

12-02-2021
Mathematics

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resolver por sustitucion
y=x+8
x+y=2

Respuesta :

Yang100 Yang100

13-02-2021

Answer:

x=-3, y=5. (-3, 5).

Step-by-step explanation:

y=x+8

x+y=2

---------

x+(x+8)=2

x+x+8=2

2x+8=2

2x=2-8

2x=-6

x=-6/2

x=-3

substitute x=-3,

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

y=-3+8=5

Answer: (-3, 5).

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