Respuesta :

we are given

[tex] y=-7x-4 [/tex]

[tex] -y=7x+4 [/tex]

we can multiply -1 on both sides of second equation

[tex] -1*-y=-1(7x+4) [/tex]

[tex] y=-7x-4 [/tex]

we can see that

both equations becomes same

so, they are coincident............Answer

corificnights

The graphs of y=-7x-4 and -y=7x+4 are coincident.

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