Question 40702
Line-4 has all x-values as nine ....
Line-5 has all y-values at six ....
Point of intersection: (6,9)
Use slope-intercept form:
{{{y = mx + b}}}
{{{y = (2/3)x + b}}}
{{{9 = (2/3)6 + b}}}
{{{9 = 4 + b}}}
{{{5 = b}}}
so ....
{{{y = (2/3)x + 5}}}