C-12-Q007mediumsingle_mcqIn x−y=3x - y = 3x−y=3, if x=5x = 5x=5, then y=y =y= ?a000b222c333d555ব্যাখ্যাSubstituting x=5x=5x=5 into x−y=3x-y=3x−y=3 gives 5−y=35-y=35−y=3, so y=5−3=2y=5-3=2y=5−3=2.