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

x = y + z = -4 2x - 3y + 4z = -15 5x + y 2z = 12

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