What is the value of n in the equation 3n + 2(n + 2) = 9n + 12? A. −4 B. −2 C. 2 D. 4

asked Jul 28, 2020 68.1k views

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

A. −4
B. −2
C. 2
D. 4

by Vilan

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4 votes

Answer:

-2 :D

Explanation:

E Wierda answered Jul 30, 2020

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4 votes

3n+2n+4=9n+12
5n+4=9n+12
4-12=9n-5n
-8=4n
Divide both sides by 4
n=-2

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