snabiha34 snabiha34

02-11-2020
Mathematics

contestada

I don't want the answer, but I want to know how you got that answer.
4n + 5n + 15 = 5n + 7n

The answer should be like this: X = Constant

Respuesta :

Аноним Аноним

02-11-2020

Answer:

n = 5

Step-by-step explanation:

[tex]4n+5n+15=5n+7n\\\\9n+15=12n\\\\9n+15-15=12n-15\\\\-3n=-15\\\\\frac{-3n=-15}{-3}\\\\ \boxed{n=5}[/tex]

Hope this helps.

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