09-09-2016
Mathematics

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5v-9<7v-7 and 5 + 4v >5v-12

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nobillionaireNobley nobillionaireNobley

13-09-2016

5v - 9 < 7v - 7 and 5 + 4v > 5v - 12
5v - 7v < -7 + 9 and 4v - 5v > -12 - 5
-2v < 2 and -v > -17
v > 2/-2 and v < -17/-1
v > -1 and v < 17
-1 < v < 17

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