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Mathematics 13 Online
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

OpenStudy (ash2326):

We have \[x-y=8\] we want to isolate x \[x=8+y\] we'll substitute x=y+8 in second equation to find y and then x

OpenStudy (anonymous):

thank you

OpenStudy (ash2326):

welcome :D

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