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Differential Equations 10 Online
OpenStudy (anonymous):

Tracy solved the system of equations by making a substitution for x in the second equation. What equation did she get as a result of that substitution? x = –2y – 2 2x + 3y = –6 –2y – 2 = –6 –2y + 1 = –6 –4y – 2 + 3y = –6 –4y – 4 + 3y = –6

OpenStudy (kidrah69):

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OpenStudy (kidrah69):

Since it tells u what x equals just plug it in :) 2(-2y-2)+ 3y = –6

OpenStudy (kidrah69):

Solve.

OpenStudy (anonymous):

thxx!

OpenStudy (kidrah69):

There is more but we need to solve this first :) so please solve it

OpenStudy (anonymous):

i got y=2 is that right?

OpenStudy (kidrah69):

Yep! :) Now we substitue that into equation 1 x=-2(2)-2

OpenStudy (anonymous):

x=-6?

OpenStudy (kidrah69):

yep :)

OpenStudy (anonymous):

thanks so much!

OpenStudy (kidrah69):

No problem tag me if needed :D You can tag people use the "@" symbol like this @jagr2713 :)

OpenStudy (anonymous):

oh like twitter then! cool thanks!

OpenStudy (kidrah69):

Yep no probs :)

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