Answer :
First we put y on left side
x+3y=6
3y=-x+6 /:3
y=[tex]- \frac{1}{3}x+2[/tex]
y=ax+b
a is a slope
so a=[tex]- \frac{1}{3}[/tex]
x+3y=6
3y=-x+6 /:3
y=[tex]- \frac{1}{3}x+2[/tex]
y=ax+b
a is a slope
so a=[tex]- \frac{1}{3}[/tex]