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n = 1
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-6
n = -6
12+4n = 2n12+4n-4n = 2n-4n12 = -2n-1/2(12 = -2n)-6 = n
2n/3 = 4 2n = 3*4 2n = 12 n = 6 :)
A equals 4 because 4 plus 6 is 10 or 10 minus 6 is 4.