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Mathematics 7 Online
OpenStudy (anonymous):

for the following system, if you isolated x in the second equation to use the Substitution Method, what expression would you substitute into the first equation? 2x + y = 9 −x − y = −8 −8 + y −8 − y 8 + y 8 − y

OpenStudy (anonymous):

helllllllllllp

OpenStudy (anonymous):

need help please !!!

Directrix (directrix):

@ miichelle --> do you still need help here?

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