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Mathematics 15 Online
OpenStudy (anonymous):

What is the solution of 3x + y = 9 and 3x − 5y = 15?

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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