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Mathematics 8 Online
OpenStudy (anonymous):

ADD: 2x+4y-3z 3y+2z+6x 4z-8x-7y

OpenStudy (anonymous):

@iGreen

OpenStudy (igreen):

3z

OpenStudy (anonymous):

Just 3z? o_o

OpenStudy (igreen):

Yes..the others cancel each other out..

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