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Katena32 [7]
3 years ago
6

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

Mathematics
2 answers:
Elan Coil [88]3 years ago
7 0

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

<u>-4n </u> = <u>8</u>

-4. -4

n. = - 2

dlinn [17]3 years ago
6 0
3n + 2 (n+2) = 9n + 2. N = -2
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