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OpenStudy (anonymous):
Use elimination to solve the systems of equations: -x+2y=18 x+8y=-38
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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!
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OpenStudy (anonymous):
so the final answer is (-22,-2)?
OpenStudy (anonymous):
Yep
OpenStudy (anonymous):
thank you!!!
OpenStudy (anonymous):
No problem
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