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Mathematics 18 Online
OpenStudy (anonymous):

This equation is set vertically-HELP! x=-2y+10 -6y=6x-6 z=-3x+10y

OpenStudy (anonymous):

whatis the solution and use substitution

OpenStudy (anonymous):

x=-12 , y=11, z= 146

OpenStudy (anonymous):

dont leave just yet!

OpenStudy (anonymous):

solve the first 2 by substituition , get x and y then solve last equation

OpenStudy (anonymous):

A.x=9,y=-8,z=114 B.x=-8,y=9,z=114 C.x=-8,y=114,z=9 D.x=114,y=9,z=-8

OpenStudy (anonymous):

my bad answer = B

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