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Mathematics 20 Online
OpenStudy (anonymous):

For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation? -x + 2y = -6 3x + y = 8 a) -2y + 6 b) 2y - 6 c) 2y + 6 d) -2y - 6

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