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OpenStudy (phebe):
HELPZZ http://prntscr.com/7sq0eu
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OpenStudy (laughoutloud):
Do you know what two methods there are?
OpenStudy (phebe):
No well one is the matrix method i think
OpenStudy (phebe):
@Chumpian
OpenStudy (laughoutloud):
There is elimination and substitution
OpenStudy (phebe):
okay thanks
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OpenStudy (phebe):
I just need to know how to do the problem
OpenStudy (laughoutloud):
ok for A) 3x-9y=3 6x-3y=-24 Solve the first equation for x
OpenStudy (phebe):
ok so -9 on both sides?
OpenStudy (laughoutloud):
add 9y on both sides
OpenStudy (phebe):
ok like this|dw:1436908249151:dw|
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