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Simultaneous Settlement (Posted on 2012-01-27) Difficulty: 3 of 5
Without solving for x and y, determine all possible values of x*y in this simultaneous equation:

x+x*y = 8 and, y+x*y = 9

Note: Solving for 1/x, 1/y, -x or -y is similarly NOT allowed.

No Solution Yet Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: No Subject | Comment 4 of 8 |
(In reply to No Subject by Dustin)

An equation like y=x+1 does not solve for x or y. Only an equation like x=1 or y=-10 does.

  Posted by Math Man on 2012-01-27 20:07:55
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