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OpenStudy (anonymous):
For the following system, if you isolated x in the second equation to use the Substitution Method, what expression would you substitute into the first equation? 2x + y = 8 -x - 3y = -12 a. 3y + 12 b. -3y + 12 c. 3y - 12 d. -3y - 12
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OpenStudy (anonymous):
B
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