Question 353239
1.{{{y=(1/3)x+11}}} 
2.{{{y=3x-9}}}
Since they both equal y, set them equal to each other and solve for x.
{{{(1/3)x+11=3x-9}}}
{{{x+33=9x-27}}}
{{{8x=60}}}
{{{highlight(x=15/2)}}}
Then from eq. 2,
{{{y=3(15/2)-9}}}
{{{y=45/2-18/2}}}
{{{highlight(y=27/2)}}}