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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? 3x + y = 8 −x − y = −7 A. −y + 7 B. −y − 7 C. y + 7 D. y − 7
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OpenStudy (anonymous):
If -x = -7 + y, then what must (+)x equal?
OpenStudy (anonymous):
-y + 7
OpenStudy (anonymous):
thats it
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