Question: x + 2y - 32 = 9 4) a) Write the augmented matrix for 2x -y+z = 0 . b) Using row operations, write 4x

x + 2y - 32 = 9 4) a) Write the augmented matrix for 2x -y+z = 0 . b) Using row operations, write 4x - 2y + 2z = 0 the row echelon form of the matrix. c) Identify the leading entries and free variable

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