Respuesta :

Answer:

n

Step-by-step explanation:

As n is an unknown value, it is the variable.

Lenvy

Variable = n

Answer:

n = 5

Step-by-step explanation:

Variable is what we don't know

[tex]2n-3=7[/tex]

[tex]\mathrm{Add\:}3\mathrm{\:to\:both\:sides}[/tex]

[tex]2n-3+3=7+3[/tex]

[tex]\mathrm{Simplify}[/tex]

[tex]2n=10[/tex]

[tex]\mathrm{Divide\:both\:sides\:by\:}2\\[/tex]

[tex]\frac{2n}{2}=\frac{10}{2}[/tex]

[tex]\mathrm{Simplify}[/tex]

n = 5

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