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January 28, 2015

January 28, 2015

Posted by **lindsay** on Tuesday, December 10, 2013 at 6:07pm.

/4x + 5/ =25

- math -
**bobpursley**, Tuesday, December 10, 2013 at 6:51pmassume 4x+5 is positive, then 4x>-5 or x>-1.2 AND

4x+5=25 or 4x=20 or x=5, which meets both of the requirement above.

assume 4x+5 is negative, then 4x<5, or x<1.25, AND 4x+5=-25 or 4x=-30, and x=-7.5 which meets the requirement

x= -7.5 or x=5

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