angelinabirmingham angelinabirmingham

19-03-2021
Mathematics

contestada

When 3 times a certain number n is added to 6, the sum is 20 more than the original number. What is the number n?

Respuesta :

durgasinha1 durgasinha1

19-03-2021

Step-by-step explanation:

The equation would be:

3N + 6 = N + 20

Subtract N from each side:

2N + 6 = 20

Subtract 6 from each side:

2N = 14

Divide each side by 2:

N =7

Check:

3(7) + 6 = 7 + 20

21 + 6 = 27

27 = 27

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