tsasha77 tsasha77

20-09-2021
Mathematics

contestada

What is the value of n in the equation 3n + 2(n + 2) = 9n + 12?

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bmelisa168 bmelisa168

20-09-2021

Answer:

3n+2(n+2)=9n+12

3n+ 2n + 4 = 9n + 12

3n+ 2n +4 - 4 = 9n + 12 - 4

3n + 2n - 9n = 12 - 4

5n - 9n = 8

-4n = 8

-4. -4

n. = - 2

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aavyasologar2 aavyasologar2

21-09-2021

3n + 2 (n+2) = 9n + 2. N = -2

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