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OpenStudy (daniellelovee):
Which expression gives the x-coordinate of the solution of the system? 3x-y+z=9 x+2y+z=3 5x+6y+2x=2
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OpenStudy (daniellelovee):
@dan815
OpenStudy (daniellelovee):
the answer is in matrix form but im confused
OpenStudy (thomas5267):
I am confused too. What is the original system?
OpenStudy (daniellelovee):
what?
OpenStudy (daniellelovee):
@uri
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OpenStudy (daniellelovee):
@confluxepic
OpenStudy (daniellelovee):
@undeadknight26
OpenStudy (thomas5267):
What is the answer then?
OpenStudy (daniellelovee):
idk
OpenStudy (daniellelovee):
im asking for help
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OpenStudy (thomas5267):
The first and second equation are normal but the third equation has one x in the z position. Combine the the two x's in the third equation into one then do Gaussian elimination.
OpenStudy (daniellelovee):
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