There are three numbers.
Their sum is 12-n + 12 + 12+n = 36
So their mean is 36/3 = 12.
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4-12n=-7 -12n=-7-4 -12n=-11 12n=11 n=11/12 n=0.916666666666666666...
n5n+8n-12n13n-12n = n
For n=number 12xn, (12)(n), (12)n, 12(n), or 12n
13n-12n=14+10 13n-12n=1n 1n=n n=14+10 14+10=24 n=24 so the answer is n=24
It is 12*n or 12n.