Answer :
n = the number
[tex] \frac{1}{2}n - 9=4n+5 \\ ( \frac{1}{2}n - \frac{1}{2}n)-9=(4n- \frac{1}{2}n)+5 \\ -9=3.5n+5 \\ (-9-5)=3.5n+(5-5) \\ -14=3.5n \\ \frac{-14}{3.5} = \frac{3.5n}{3.5} \\ -4=n[/tex]
The number is -4
[tex] \frac{1}{2}n - 9=4n+5 \\ ( \frac{1}{2}n - \frac{1}{2}n)-9=(4n- \frac{1}{2}n)+5 \\ -9=3.5n+5 \\ (-9-5)=3.5n+(5-5) \\ -14=3.5n \\ \frac{-14}{3.5} = \frac{3.5n}{3.5} \\ -4=n[/tex]
The number is -4
