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Mathematics 15 Online
OpenStudy (anonymous):

Which of the following equations has the solution set {0}? -14m - 7m + 1 = -7m + 1 -14m + 7m + 1 = -7m + 2 14m - 7m - 1 = -7m + 1

OpenStudy (zzr0ck3r):

the first

OpenStudy (zzr0ck3r):

plug in 0 for m and see which one is true

OpenStudy (paxpolaris):

the second has no solutions ... or null set. {}/\(\large\Phi\) the 3rd is\(\Large \left\{ \frac17 \right\}\)

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