Respuesta :

Let's solve for "r" by bringing them all to one side.
-3r=6-4r
+4r    +4r
r=6
So, r is equal to 6.
So you have to add the like terms together,

6 - 4r = -3r
    +4r   +4r

        6=1r
   Divide 1 to both sides.
       
      6=r