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Mathematics 8 Online
OpenStudy (anonymous):

Solve the system. Find X, Y, and Z.

OpenStudy (anonymous):

6x-y+3z=5 x+3y-z=-1 3x+3y-4z This is Equation 4 and 5 3x-10y=2 *9 > -27x+90y=-18 -x-9y=11 *10>=10x-90y=110 37x=92 X=? This cant be improper

OpenStudy (anonymous):

where did equations 4 and 5 come from?

OpenStudy (anonymous):

ok I added them from eliminating z

OpenStudy (anonymous):

the last line is not complete it should be \[3x+y-4z=something \]

OpenStudy (anonymous):

Ok I think there is confusion here

OpenStudy (anonymous):

The three equations are a set to find xyz

OpenStudy (anonymous):

This is a set to find x y z 6x-y+3z=5 x+3y-z=-1 3x+3y-4z

OpenStudy (anonymous):

the last line is not an equation it is an expression so you cannot solve it

OpenStudy (anonymous):

sorry about that 6x-y+3z=5 x+3y-z=-1 3x+3y=4z

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