Posted by **Brian** on Sunday, August 30, 2009 at 12:39pm.

For this problem a/a-1- a-1/a=4 .

Is the answer a=1 1/2. I solved it by multiplying a(a-1) both side as suggested by bobpursley. thanks

- algebra -
**bobpursley**, Sunday, August 30, 2009 at 1:10pm
check it:

1.5/.5 - (.5)/1.5=4

3-1/3 does not equal 4

so, that is not the solution.

recheck. Or better yet, graph it to check. I see two solutions, on at a=.18 about, and one about X.3. Graph

x/(x-1) - (x-1)/x -4

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