Question: Please help with finding the determinant and checking, whetherthe system is linearly independent or dependent. -2x + y + 5z = 15 4x - 8y

Please help with finding the determinant and checking, whetherthe system is linearly independent or dependent.

-2x + y + 5z = 15

4x - 8y + z = -21

4x - y + z = 7

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