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Think twice (Posted on 2016-09-12) Difficulty: 2 of 5
Solve for integer x:
x1/2+x1/4= 20

See The Solution Submitted by Ady TZIDON    
Rating: 5.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Algebraic solution. Spoiler | Comment 3 of 4 |
(In reply to Algebraic solution by JayDeeKay)

...therefore x=625 or 256
  Posted by Ady TZIDON on 2016-09-15 22:52:06

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