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OpenStudy (anonymous):
Solve each system by using elimination -x+5y=13 x-y=15 Please show work Thank you
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OpenStudy (rizags):
add straight down the rows
OpenStudy (rizags):
you get -x+x+5y-y=13+15
OpenStudy (rizags):
simplifies to 4y=28, or y=7
OpenStudy (rizags):
plug this y back into the original x-y=15, to get x-7=15, or x=22
OpenStudy (rizags):
therefore x=22, and y=7
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