# SOLUTION: One more then I'm done, my son has another problem on his homework that calls for the Gaussian elimination method with back substitution to solve the given system of these linear e

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 Click here to see ALL problems on Linear Equations And Systems Word Problems Question 599666: One more then I'm done, my son has another problem on his homework that calls for the Gaussian elimination method with back substitution to solve the given system of these linear equations. would some be will to help explain this process a little clearer. the equations were -9x-45y= -27 x- y= -1 thanks in advance shanniiAnswer by lynnlo(4164)   (Show Source): You can put this solution on YOUR website!SUBSTITUTION METHOD: -9x-45y=-27 x-y=-1 ANSWER: y=2/3 x=-1/3