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Mathematics 7 Online
OpenStudy (studygurl14):

check answer @iGreen

OpenStudy (studygurl14):

<11,-13, 3>

OpenStudy (igreen):

Correct. 3u - 2v = (3-(-8), -3-10, 9-6) = (11, -13, 3)

OpenStudy (studygurl14):

yay, thanks. :)

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