How to do this 6 . F i n d t h e v a l u e o f x f o r w h i c h x - k y = 2 , 3 x + 2 y = - 5 h a v e u n i q u e s o l u t i o n . 8 . S o l v e : - a + c x - a - c y = 2 a b a + b x - a - b y = 2 a b This question has not been answered yet! Answer Now