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OpenStudy (cedric):
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? 3x + y = 8 −x − y = −7 −y + 7 −y − 7 y + 7 y − 7
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OpenStudy (cedric):
i really think its B
OpenStudy (anonymous):
x = -y + 7
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