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16-10-2018
Mathematics

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Solve the compound inequality 2x-1

Solve the compound inequality 2x1 class=

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16-10-2018

[tex]2x-1\leq-5\qquad|+1\\\\2x\leq-4\qquad|:2\\\\x\leq-2[/tex]

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[tex]2x+5 > 17\qquad|-5\\\\2x > 12\qquad|:2\\\\x > 6[/tex]

[tex]Answer:\ x\leq-2\ or\ x > 6[/tex]

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