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Evaluate the expression xy - 4z when x = -5, y = -4, and 2 = -2.
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Evaluate the expression xy - 4z when x = -5, y = -4, and 2 = -2.

User Sbkl
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the answer is 28

because all you have to do is put the x in for x and the y for y and the z for z

User Duncan Beattie
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