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Mathematics 16 Online
OpenStudy (anonymous):

-2x=3y-2 X-y=-4

OpenStudy (anonymous):

?

OpenStudy (anonymous):

using subtitution method, x= y-4. (i) 2(y-4)=3y-2....=2y-8=3y-2 ..= y=2 ; y= 2 x= y-4; : x=2-4=-2

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