Solve

-7(11-4w) -15w= negative 27-(50-13w)

-7(11-4w)-15w=-27-(50-13w)

-77+28w-15w
-77+13w=13w-77

13w-77=13w-77

the answer to this is all real numbers. Plug in any number for w, and you will find that the equations will always equal each other.