Work Step by Step
$12n\leq3n+27\longrightarrow$ subtract 3n from each side $12n-3n\leq3n+27-3n\longrightarrow$ subtract $9n\leq27\longrightarrow$ divide each side by 9 $9n\div9\leq27\div9\longrightarrow$ divide $n\leq3$
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