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Mathematics 7 Online
OpenStudy (anonymous):

Find the value of x so that the mean of { 5x, 3/2x, x+9, -x} is -1

Vocaloid (vocaloid):

[5x + 3/2x + x + 9 - x]/4 = -1 solve for x

OpenStudy (anonymous):

i cant even do that

Vocaloid (vocaloid):

just add them up

Vocaloid (vocaloid):

5x + 3/2x + x + 9 - x = ?

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