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OpenStudy (anonymous):
solve each system using substitution. 7x-2y=1 2y=x-1
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OpenStudy (anonymous):
how would you start solving the first equation?
OpenStudy (anonymous):
what are you looking for? the X an Y right?
OpenStudy (anonymous):
solve for y first
OpenStudy (anonymous):
and then substitute what you got into y and solve for x... do this for both equations
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