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02-05-2018
Mathematics

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(n+8)+(n−12) =
what is the answer

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22browdaylanp82qw2 22browdaylanp82qw2

02-05-2018

2(n-2)
remove the parentheses and calculate
n+n= 2n
2n+8-12
8-12=4
and then factor the expression
(n+8)+(n-12)= 2(n-2)

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