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**Dark88Dragon** · 07-10-2014

x = the younger one

x + 10 = (x * 2) -15
-x = -25
x = 25

The younger one is 25 now, 15 years ago he was 10 and the older one 20

07-10-2014	#2
Dark88Dragon Join Date: Aug 2013 Posts: 20	x = the younger one x + 10 = (x * 2) -15 -x = -25 x = 25 The younger one is 25 now, 15 years ago he was 10 and the older one 20