# How do you solve the following system?: # x +2y =-7 , -2x +2y = 4#

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To solve the system of equations x + 2y = -7 and -2x + 2y = 4, use the method of elimination or substitution to find the values of x and y that satisfy both equations simultaneously.

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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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