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ahluwaliariddh
if n is ten then the expression would change to 
2(10)+4
20+4
so your answer would be 24
lpslover5967ouc1hy
2n+4 is 24 because when you plug in the variable it makes the expression (2)(10)+4, so you simplify that by multiplying 2 and 10 and then add 4 to get 24

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