Answers

2014-07-25T20:01:54+05:30
Let number be x.
x+8=2x
2x-x=8
x=8
So number will be 8.
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2014-07-25T20:04:41+05:30
Let the number be x
if that number is increased by 8, it becomes (x + 8)
number becomes doubled = 2x
therefore, (x + 8) = 2x
2x - x = 8
x = 8
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