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Mathematics 10 Online
OpenStudy (anonymous):

3x - y =8 x + y =4

OpenStudy (anonymous):

eliminate the y's. use elimination.

OpenStudy (anonymous):

i need the answer,not how to do it. and show work

OpenStudy (anonymous):

-sigh- 4x = 12 x = 3 plug. 3 + y = 4 y = 1.

OpenStudy (anonymous):

thanks

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