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Mathematics 16 Online
OpenStudy (anonymous):

|5x + 9| = 54

OpenStudy (anonymous):

(5x+9)=54 5x=54-9 5x=45 x=45/5 x=9 Second case: -(5x+9)=54 -5x-9=54 -9-54=5x -63=5x -63/5= x

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