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Mathematics 13 Online
OpenStudy (anonymous):

Is the inequality below sometimes, always, or never true? -2(2x + 9) > -4x + 9

OpenStudy (zzr0ck3r):

\(-2(2x+9)>-4x+9 \iff-4x-18>-4x+9\iff-18>9\) Is this last statement ever true?

OpenStudy (anonymous):

yes

OpenStudy (zzr0ck3r):

\(-18>9 \) \(\huge ?\)

OpenStudy (anonymous):

wait no

OpenStudy (zzr0ck3r):

correct

OpenStudy (zzr0ck3r):

thus the inequality is never trye

OpenStudy (zzr0ck3r):

true*

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