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5y - 3y = 18 2y = 18 y = 18/2 y = 9
If: 3y+8 = 5y-20 Then: 3y-5y = -20-8 So: -2y = -28 And: y = -28/-2 => y = 14
-2 = 3y-18-5y 16=3y-5y 16=-2y y=-8
5y+14+y = 3y-7 5y+y-3y = -7-14 3y = -21 y = -7
The median is the value that lies halfway along the series when arranged in ascending or descending order. When arranged in ascending order : y, 2y, 3y, 4y, 5y : the median is 3y. If 3y = 27 then y = 9.