Question 1096709
slope  {{{(8-(-7))/(-4-3)=15/(-7)=-15/7}}}

point-slope equation  {{{y-8=-(15/7)(x+4)}}}


Solve equation for x.
{{{(y-8)(-7/15)=x+4}}}
{{{x=-(7/5)(y-8)-4}}}
{{{let}}}{{{y=0}}};
{{{x=-(7/15)(-8)-4}}}
{{{x=56/15-60/15}}}
{{{highlight(x=-4/15)}}}



{{{graph(300,300,-3,3,-3,3,-(15/7)(x+4)+8)}}}