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OpenStudy (anonymous):
anyone want to help me please?
What are the ordered pairs?
Using the process of elimination method.
5u +3v = -18
2u + v = -8
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OpenStudy (anonymous):
multiply the second equation by 3 all the way across and subtract it from the first equation
OpenStudy (anonymous):
or if you prefer multiply the second equation by \(-3\) and add. here are the steps
OpenStudy (anonymous):
\[5u+3v=-18\]
\[-6u-3v=24\] now add in a column, get
\[-u=6\] and so \(u=-6\)
OpenStudy (anonymous):
I get that part but I am confused on how to find the ordered pairs?
OpenStudy (anonymous):
oh now that you have \(u=-6\) you can find \(v\) by substituting \(-6\) for \(u\) in either equation
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OpenStudy (anonymous):
\[2u + v = -8
\]
\[2(-6)+v=-8\]
\[-12+v=-8\]
\[v=4\]
OpenStudy (anonymous):
so my ordered pairs are (-6,4) ?
OpenStudy (anonymous):
so the "ordered pair" is \((-6,4)\)
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
thank you i am glad you showed the ''steps'' as well. so that I understand. :)
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OpenStudy (anonymous):
yw
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