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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 − y = 8 −x − y = −7 A. 8 − y B.−8 − y C.8 + y D. −8 + y
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OpenStudy (anonymous):
-(8+y)-y=-7
OpenStudy (anonymous):
and thats B
OpenStudy (anonymous):
Thank You..!
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