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Mathematics 13 Online
OpenStudy (anonymous):

3lx-1l=9

OpenStudy (anonymous):

11+31x-11=9+11 31x=20 x=20/31

OpenStudy (anonymous):

those are aboslute value signs not 1's

OpenStudy (anonymous):

| x-1 | = 3 x - 1 = 3 or x - 1 = -3 x = 4 or x =-2

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