Respuesta :
The answer is 13n+13 because when combining like terms (18n and -5n), you get 13n and you're left with the number without a variable which is 13
Answer: 13n + 13 .
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18n - 5n = 13 ; and the remaining term is "13".
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18n - 5n = 13 ; and the remaining term is "13".
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