help with number eleven

[SOLVED] help with number eleven
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Suggested Answer

[tex]\dfrac{2}{3}j-\dfrac{2}{9}=\\
\dfrac{2}{3}j-\dfrac{2}{3}\cdot\dfrac{1}{3}=\\
\dfrac{2}{3}\left(j-\dfrac{1}{3}\right)
[/tex]