In Problems 3974, solve each system of equations using matrices (row operations). If the system has no
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In Problems 39–74, solve each system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
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x + 2y - z = -3 2x - 4y + z = -7 -2x + 2y3z = 4
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x2y z 3 2x4y z 7 2x2y3z 4 Write the augmented matrix 1 2 1 3 ...View the full answer
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