Respuesta :

It would be x=2 because the line x=4 would go on 4 on the x-axis and 2 would go on 2 on the
x-axis

It sounds confusing but look at picture
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calculista

we know that

The line [tex]x=4[/tex] is parallel to the y-axis and is perpendicular to the x-axis

therefore

The line [tex]x=2[/tex] is parallel to the line [tex]x=4[/tex] , because is parallel to the y-axis and is perpendicular to the x-axis too

using a graphing tool

see the attached figure

the answer is

[tex]x=2[/tex]

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