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OpenStudy (anonymous):
Find the solution to the system of equations. x+3y-z=-1 2y+z=0 3z=6
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OpenStudy (solomonzelman):
from the third equation you are already given the z. Using the second equation solve for y, and then using y and the z you know, solve for x using the first equation.
OpenStudy (anonymous):
did you get what he said
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