Respuesta :

ANSWER

n = 7 (option B)

EXPLANATION

First we have to add 15 on both sides of the equation:

[tex]\begin{gathered} 34+15=7n-15+15 \\ 49=7n \end{gathered}[/tex]

Now, we have to divide both sides by 7:

[tex]\begin{gathered} \frac{49}{7}=\frac{7n}{7} \\ 7=n \end{gathered}[/tex]

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