nine the value of k, if any, such that the following system of linear equations is consistent. Y + 2z + -x - + ky +

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A:

Q: 7) Describe how the lines are related. (a) y = x and y = -x (b) y = 5x and y = 5x – 4

A: The given lines are:a y=x and y=-xb y=5x and y=5x-4

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A:

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A: Given query is to find the value of a,b, x1 and y1 .

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A: Use the long division and partial fraction.

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A: To solve the given equation.

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A: On solving this we will get

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Q: Use Cramer’s Rule to solve the system x + y = 2 y + z = 2 x + z = 2

A: Use Cramer’s Rule to solve the systemx + y = 2y + z = 2x + z = 2

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A: Solved below.