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Mathematics 16 Online
OpenStudy (anonymous):

|1 + 3x| < -2

OpenStudy (anonymous):

1 + 3x < -2 1 + 3x > 2 x<(-2-1)/3 x>(2-1)/3 x<-1 x>1/3

OpenStudy (anonymous):

nancy |1+3x| is always bigger than -2

OpenStudy (anonymous):

so |1+3x|<-2 is never true

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