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24-01-2022
Mathematics

contestada

x+y=4

x=-1

A. (-1,5)
B. (5,-1)
C. (-1,3)

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Respuesta :

mathstudent55 mathstudent55

24-01-2022

Answer:

A. (-1, 5)

Step-by-step explanation:

x + y = 4

x = -1

Substitute x with -1 in the first equation.

-1 + y = 4

Add 1 to both sides.

y = 5

We have x = -1; y = 5.

Answer: A. (-1, 5)

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