Respuesta :

irjt

Answer:

n = 5/2

Step-by-step explanation:

Add all of the sides up to make an equation

(5n - 6) + n + (2n + 1) = 15

8n -5                          = 15

8n  =  20

n    = 5/2

randomDUCK

Answer:

[tex]0.4cm[/tex]

Step-by-step explanation:

[tex]n + 2n+1 + 5n-6 = 15\\[/tex]

[tex]8n -5 = 15[/tex]

[tex]8n = 20[/tex]

[tex]n = \frac{8}{20}[/tex]

[tex]n = 0.4[/tex]

[tex]\therefore[/tex] the value of [tex]n[/tex] is [tex]0.4cm[/tex]

Hope this helps :)

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