Question: In Problems 3974, solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent. x -

In Problems 39–74, solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent. x - 4y + 2z =-9 3x + y + 2 =

x - 4y + 2z =-9 3x + y + 2 = + -2x + 3y - 3z = 4 7

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