Question: In Problems 3974, solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent. 3x-y= y

In Problems 39–74, solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent. 3x-y= y = 7 9x-3y = 21

3x-y= y = 7 9x-3y = 21

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