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OpenStudy (anonymous):
Solve using elimination: -9x = -4y − 10 -11x + 5y = -13
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OpenStudy (anonymous):
ok... to do it, u have to first bring the -4y to the right... agree?
OpenStudy (anonymous):
Yes
OpenStudy (anonymous):
then, do u know what happens to the sign?
OpenStudy (anonymous):
Nahh
OpenStudy (anonymous):
it changes! to...want to take a wild guess?
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OpenStudy (anonymous):
A Positive??
OpenStudy (anonymous):
perfect!
OpenStudy (anonymous):
:)
OpenStudy (anonymous):
ok... let see what we have till now|dw:1344551556613:dw| now u have to eliminate something... since v have to use elimination... so which variable do u want to eliminate... x or y?
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