Verified Answer :

luana

\(x-\ number\\\\ \frac{x-9}{2}=4\ \ \ |Multiply\ by\ 2\\\\ x-9=8\ \ \ |Add\ 9\\\\ x=17\\\\Number\ is\ 17.\)

mariamikayla

\((x-9):2=4 \\\\ x-9=4*2 \\\\ x-9=8 \\\\ x=8+9 \\\\ \boxed{x=17}\)

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