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If n-8=-3, what is 3n?

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Greetings from Brasil...

Let's isolate N. For that we will pass the - 8 to the second member:

n - 8 = - 3

n = - 3 + 8

n = 5

3n = 15

If n-8=-3, what is 3n?-example-1
User Alex Korban
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