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Mathematics 10 Online
OpenStudy (anonymous):

~Medal+Fanning all who helps~ For the following system, if you isolated y in the first equation to use the Substitution Method, what expression would you substitute into the second equation? 2x + y = 8 −x − y = −5 8 + 2x 8 − 2x −8 − 2x −8 + 2x

OpenStudy (anonymous):

Well you have: \[2x+y=8\] You can isolate for y by subtracting 2x and obtaining: \[y=8-2x\]

OpenStudy (anonymous):

So it's b

OpenStudy (anonymous):

YEP!

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