krp8
krp8
22-02-2017
Mathematics
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absolute value equation |x-3|=x
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LammettHash
LammettHash
22-02-2017
When [tex]x\ge3[/tex], you have
[tex]|x-3|=x\implies x-3=x\implies 0x=3[/tex]
which has no solution.
When [tex]x<3[/tex],
[tex]|x-3|=x\implies -(x-3)=x\implies 2x=3\implies x=\dfrac32[/tex]
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