Respuesta :

Answer:

D, 8

Step-by-step explanation:

[tex]7x-1=5x+15[/tex]

subtract [tex]5x[/tex] from both sides

[tex]2x-1=15[/tex]

add [tex]1[/tex] to both sides

[tex]2x=16[/tex]

divide both sides by [tex]2[/tex]

[tex]x=8[/tex]

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