Respuesta :

Answer:

n=1

Step-by-step explanation:

n+7n-5=3

8n=8

divide both side by coefficient of n we get

n=1

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n=1
explanation:
add 5 to both side to cancel 5 out on the left
n+7n-5=3
+5 +5
_________
0 15
now you have n+7n = 8

the you add n and 7n
n+7n= 8n

which makes the equation 8n = 8

so you divide by 8 and get the answer

n=1


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