Answer:
x = 11
Step-by-step explanation:
( [tex]x_{1}[/tex] , [tex]y_{1}[/tex] )
( [tex]x_{2}[/tex] , [tex]y_{2}[/tex] )
m = [tex]\frac{y_{2} -y_{1} }{x_{2} -x_{1} }[/tex]
~~~~~~~~~
(7, 1)
(x, 4)
m = [tex]\frac{3}{4}[/tex]
[tex]\frac{4-1}{x-7}[/tex] = [tex]\frac{3}{4}[/tex]
x - 7 = 4
x = 11
