ANSWER :
[tex]y=-\frac{2}{3}x+12[/tex]
EXPLANATION :
The slope intercept formula is :
[tex]y=mx+b[/tex]where m = slope and b = y-intercept
From the problem, the slope is m = -2/3
and the y-intercept is b = 12
That will be :
[tex]y=-\frac{2}{3}x+12[/tex]