Respuesta :

-2n-2
--------  =13
    3

-2n- 2/3=12

Add 2/3 to both sides

-2n+ -2/3+2/3=12+2/3

-2=38/3

Divide both sides by -2

           38
-2n     -----
----- =  3
-2       ----
           -2

The answer will be   -19/3
Hope this help!