Question: In Problems 3974, solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent. 4x +

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

4x + y + z w = 4 x = y + 2z + 3w = 3

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