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Which of the following is a linear equation in one variable?
a. X + Y = 4
b. X2 + 5 = 9
C. X = 4 + y
d. 4-X = 5​

Respuesta :

CouragePabai

Answer:

the correct answer is option D

Explanation:

-x=5-4

-x=1

therefore x=-1

Answer:

A. X + Y = 4

step explanation:

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