#### Answer

$-\frac{1}{3}y+6$

#### Work Step by Step

RECALL:
The distributive property states that for any real numbers $a, b$, and $c$,
$a(b+c) = a\cdot b + a\cdot c$
Use the formula above to obtain:
$=(\frac{1}{3}y-\frac{2}{3}y)+6
\\=(\frac{1}{3} - \frac{2}{3})y+6
\\=-\frac{1}{3}y+6$