SOLUTION: solove for inequality 21>u-9

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Question 406053: solove for inequality 21>u-9
Answer by algebrahouse.com(1659) About Me  (Show Source):
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"solve for inequality 21 > u - 9"

21 > u - 9
30 > u {added 9 to both sides}
u < 30 {switched around, so u is first}
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