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OpenStudy (cucacula):
solve the following systems of equation using Gaussian elimination. x -y +z =1 2x +y +z =2 3X +y +2z =0 anyone can help me how to solve this question?
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OpenStudy (anonymous):
add the first 2 equations to cancel out the y term then add -1(the second equation to the third equation)
OpenStudy (cucacula):
you mean like this @Gralwyn : |dw:1394680980737:dw|
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