Respuesta :
65-(87+x)= -43 +x
distribute the - its going to be 65-87-x = -43+x
-22-x = -43+x
-x= -21+x
-2x =-21
x= 21/2
distribute the - its going to be 65-87-x = -43+x
-22-x = -43+x
-x= -21+x
-2x =-21
x= 21/2