we know that
the equation of the line in the point-slope form is equal to
[tex]y-y1=m*(x-x1)[/tex]
in this problem we have
[tex]Point (7,4)\\x 1=7\\y 1=4\\slope\ m=6[/tex]
substitute the values in the formula
[tex]y-4=6*(x-7)[/tex]
therefore
the answer is
[tex]y-4=6*(x-7)[/tex]