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Algebra 14 Online
OpenStudy (anonymous):

Use elimination to solve the systems of equations: -x+2y=18 x+8y=-38

OpenStudy (anonymous):

Add the two equations together to start.

OpenStudy (anonymous):

You will get 10y = -20 Divide to solve for your y y=-2

OpenStudy (anonymous):

Next, take your y, and substitute that into either of the first two equations. I'll use the second...

OpenStudy (anonymous):

x=-22?

OpenStudy (anonymous):

Nicely done!

OpenStudy (anonymous):

so the final answer is (-22,-2)?

OpenStudy (anonymous):

Yep

OpenStudy (anonymous):

thank you!!!

OpenStudy (anonymous):

No problem

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