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Alina
[70]
3 years ago
9
What is the value of n in the equation 3n + 2(n + 2) = 9n + 12?
Mathematics
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answer:
Alex777
[14]
3 years ago
6
0
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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