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Mathematics 21 Online
OpenStudy (anonymous):

2|x+3|=18

jimthompson5910 (jim_thompson5910):

2|x+3|=18 |x+3|=18/2 |x+3|=9 x+3=9 or x+3=-9 x=9-3 or x=-9-3 x = 6 or x = - 12

OpenStudy (anonymous):

abs x+3=9. subtract 3 so x=6

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