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OpenStudy (anonymous):
What is the solution of 3x + y = 9 and 3x − 5y = 15?
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OpenStudy (anonymous):
@jim_thompson5910 do you know?
Nnesha (nnesha):
you can do elimination substitution graphing or matrices which one is easy for you ???
OpenStudy (anonymous):
substitution
Nnesha (nnesha):
okay so then solve first equation for y bec that is easy
Nnesha (nnesha):
|dw:1419297181460:dw| subtract 3x both side
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