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Inequalities I 5x - 3 I > 7

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Inequalities I 5x - 3 I > 7

asked May 26, 2015 138k views

4 votes

Inequalities
I 5x - 3 I > 7

Mathematics
high-school

by Jerone

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1 Answer

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$| 5x - 3 |\geq 7\\ 5x-3\geq7 \vee 5x-3\leq-7\\ 5x\geq10 \vee 5x\leq-4\\ x\geq 2 \vee x\leq-(4)/(5)\\ x\in\langle-(4)/(5),2\rangle$

Smamatti answered May 30, 2015

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