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9. Find the solution for the following system using Gauss-Jordan elimination (clearly show your work): 2x = y = x+2y= -7 = 4 10.

9. Find the solution for the following system using Gauss-Jordan elimination (clearly show your work): 2x = y = x+2y= -7 = 4 10. Find the solution for the following system using Gauss-Jordan elimination expressing your answer for the variable x in terms of the variable y (clearly show your work): I -2x+6y= 6 3x-9y=-9

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