Question 1065469
{{{(a+4-2)/(-2a-(a+1))=-4/7}}}


{{{(a+2)/(3a+1)=4/7}}}


{{{12a+4=7a+14}}}


{{{highlight_green(a=2)}}}


Using this value, one of the points is (3,2).
Using point-slope equation form, {{{highlight(y-2=-(4/7)(x-3))}}}.