# How do you find 4x - 2y - z, if x = 2, y = 3, and z = -8?

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To find the value of 4x - 2y - z, where x = 2, y = 3, and z = -8, you simply substitute the given values into the expression:

4x - 2y - z = 4(2) - 2(3) - (-8) = 8 - 6 + 8 = 10

So, 4x - 2y - z equals 10.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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