Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary.  2x - y = 4  -4x +2y = -8

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A: Truth table for the given problem can be constructed as

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A: answer is in next step

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A: here is the solution

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A: Let's find.

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A: Z=(x-u) /sigma

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A: Draw the function

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