Question 417990
{{{(y-2)/(y+3)-y/(2y+6)}}}


{{{(y-2)/(y+3)-y/2(y+3)}}}...common  denominator


{{{((y-2)-y)/2(y+3)}}}....subtract the top numbers and put the answer over 

the same denominator:


{{{(cross(y)-2-cross(y))/2(y+3)}}}


{{{-cross(2)1/cross(2)(y+3)}}}


{{{-1/(y+3)}}}