Answer:
10n - 2
Explanation:
12n-8-2n+10-4
Group all the n together and the other numbers together:
12n-2n-8+10-4
10n-2
12n - 8- 2n + 10 - 4 = (12n-2n)+(-8+10-4)
Simplify.
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--Applepi101
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