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Mathematics 23 Online
OpenStudy (wintersuntime):

How do I solve these 2 equations by using elimination 2y-x=5 -3y+x=-9

OpenStudy (wintersuntime):

|dw:1458267311853:dw|

Directrix (directrix):

2y - x=5 -3y +x=-9 ----------- Add two equations.

Directrix (directrix):

|dw:1458267360560:dw|

OpenStudy (wintersuntime):

-1y=4 ?

Directrix (directrix):

Check the sign on the 4

OpenStudy (wintersuntime):

-1y= -4

Directrix (directrix):

|dw:1458267410297:dw|

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