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October 21, 2014

October 21, 2014

Posted by **help** on Sunday, January 24, 2010 at 9:26pm.

the < has a line under it im supposed to put a inequality symbol and the rest of the answer

- algebra -
**Reiny**, Sunday, January 24, 2010 at 9:47pm0.4x+4<0.8x-7

0.4x+4 ≤ 0.8x-7 multiply by 10

4x + 40 ≤ 8x - 70

-4x ≤ 110

x ≥ -55/2 or x ≥ -27.5

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