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Mathematics 15 Online
OpenStudy (anonymous):

4 (16x - 8y + 4z)

OpenStudy (anonymous):

Welcome to os @scratchtina

OpenStudy (anonymous):

16x - 8y + 4z = -2 -8x - 4y - 8z = -8 -12x - 4y - 16z = -7

OpenStudy (uri):

@scratchtina Multiply the whole parentheses with 4 4*16x -4*8y +4*4z

OpenStudy (anonymous):

First of all @scratchtina : A Warm Welcome to 'Open Study'. Please Read CoC (compulsory to read by all "Open Study" users) : http://openstudy.com/code-of-conduct

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