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Mathematics 18 Online
OpenStudy (yumyum247):

halp me plz check my question http://prntscr.com/cla4ft

OpenStudy (yumyum247):

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OpenStudy (s4sensitiveandshy):

\[1-x\cancel{=}x-1\]

OpenStudy (s4sensitiveandshy):

1-x ( x is negative) x-1( 1 is negative ) see the difference ?:)

OpenStudy (yumyum247):

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