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Mathematics 21 Online
OpenStudy (anonymous):

y = 8x − 2 y = 9x − 7 What is the solution to the system of equations?

pooja195 (pooja195):

Try this one by yourself ill help guide you :)

pooja195 (pooja195):

You know that we will use substitution right? so the first step is what?

OpenStudy (anonymous):

8x-2=9x-7? @pooja195

pooja195 (pooja195):

good now solve for x :) just like we did in the previous problems

OpenStudy (anonymous):

5? @pooja195

pooja195 (pooja195):

good now use plug that into equation 1 y = 8(5)− 2

pooja195 (pooja195):

solve for y

OpenStudy (anonymous):

(5,38) right? @pooja195

pooja195 (pooja195):

yep thats right :)

OpenStudy (anonymous):

thank you so much @pooja195

pooja195 (pooja195):

No problem! :)

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