Answer :

Answer:

n=18

Explanation:

8n-5=139

8n=144

n=144/8

n=18

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8n - 5 = 139
⬇️
8n = 139 + 5
⬇️
8n = 144
⬇️
Divide both sides of the equation by 8
⬇️
N = 8

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