# How do you evaluate the expression x-2y when x=-5 and y=2?

putting value of given variables in given expression we get #-5-2(2)=-5-4=-9

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To evaluate the expression ( x - 2y ) when ( x = -5 ) and ( y = 2 ), you substitute the values of ( x ) and ( y ) into the expression:

( -5 - 2(2) )

Solve:

( = -5 - 4 )

( = -9 )

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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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