Question 302228
{{{(-2/(x+2))-(1/(x+2)) }}}
={{{((-2-1)/(x+2)) }}}
={{{((-3)/(x+2)) }}}

Therefore, {{{((-3)/(x+2)) }}} = 4

This gives :

-3 = 4(x+2)
-3 = 4x + 8
-3 -8 = 4x
-11 = 4x
x = -11/4
x = -2 3/4