Solve by cross-multiplication method.
(i) ` 8x-3y=12,5x=2y +7`
(ii) ` 6x+ 7y -11 =0, 5x+ 2y =13`
(iii) ` (2)/(x)+(3)/(y) =5, (3)/(x) -(1)/(y) +9=0`

Answer

` therefore ` The value of x =` (1)/(2) and y = (1)/(3) `