SOLUTION: -1 < -7x-15<_(less than or equal too) 20

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Question 671485: -1 < -7x-15<_(less than or equal too) 20
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
-1+%3C+-7x-15+%3C=+20
...
-1%2B15+%3C+-7x+%3C=+20%2B15
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14+%3C+-7x+%3C=+35
...
14%2F-7+%3C+cross%28-7%29x%2Fcross%28-7%29+%3C=+35%2F-7
...
-2+%3C+x+%3C=+-5
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