Question 1150014
Do it like the other one already solved.





Your example, {{{(6-(-2))/(x-(-3))=-8/5}}}

{{{(6+2)/(x+3)=-8/5}}}

{{{(x+3)/(6+2)=-5/8}}}

{{{x+3=-(5/8)*8}}}

{{{x+3=-5}}}

{{{x=-5-3}}}

{{{highlight(x=-8)}}}




More generally, Points (t,v) and (x,p), slope  n/d;
Value for x is wanted;


{{{(p-v)/(x-t)=n/d}}}


{{{(x-t)/(p-v)=d/n}}}

{{{x-t=(d/n)(p-v)}}}

{{{x=t+(d/n)(p-v)}}}