gingerb gingerb

28-06-2016
Mathematics

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3a + 1 > -7a - 14 / -4

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HomertheGenius HomertheGenius

07-07-2016

3 a + 1 > ( - 7 a - 14 ) / -4 / · ( - 4 )
- 12 a - 4 < - 7 a - 14
- 12 a + 7 a < -14 + 4
- 5 a < -10 / : ( - 5 )
a > 2
or a ∈ ( 2, +∞ )

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