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18-07-2018
Mathematics

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Which of the following is the solution to the compound inequality

Which of the following is the solution to the compound inequality class=

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26-07-2018

[tex]3x+5\geq-1\ \ \ |-5\\\\3x\geq-6\ \ \ |:3\\\\x\geq-2\\------------------\\-2x-7\geq5\ \ \ |+7\\\\-2x\geq12\ \ \ \ |:(-2) < 0\\\\x\leq-6[/tex]

[tex]Answer:\ A.\ x\geq-2\ or\ x\leq-6[/tex]

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