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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 = -4 3x + y = 12 A -2y - 4 B 2y - 4 C 2y + 4 D -2y + 4
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hartnn (hartnn):
D
OpenStudy (anonymous):
Thanks for helping me with all the questions I have
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