Question 969746
If {{{2x=3y}}} ,then {{{x=3y/2}}}

so,substitute it in {{{(x+y)/(x-y) }}}

{{{(x+y)/(x-y)= (3y/2+y)/(3y/2-y)}}}

{{{(x+y)/(x-y)= (3y/2+2y/2)/(3y/2-2y/2)}}}

{{{(x+y)/(x-y)= (5y/2)/(y/2)}}}

{{{(x+y)/(x-y)= (5cross(y)/cross(2))/(cross(y)/cross(2))}}}

{{{(x+y)/(x-y)= 5}}}