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Mathematics 19 Online
OpenStudy (anonymous):

–y + 3x = 6 y = –6x + 12 solve?

OpenStudy (oaktree):

Add the equations.

OpenStudy (oaktree):

You have 3x=-6x=18, so 9x=18 and x=2.

OpenStudy (oaktree):

Plug that into the equation and you have y=-6(2)+12, so y=0.

OpenStudy (oaktree):

OK?

OpenStudy (anonymous):

thank you so much

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