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Mathematics 20 Online
OpenStudy (anonymous):

0.5x+7<0.9x-2

OpenStudy (anonymous):

0.5x+7\[\le\]0.9-2

hero (hero):

.4x > 9 x > 22.5

OpenStudy (anonymous):

0.5x+7\[\le\]0.9x-2

hero (hero):

\[x \ge 22.5\]

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