Explain how combining like terms is similar to adding and subtracting whole numbers how are they different

Combining like terms is pretty chill, as long as we're careful with our negative and positive numbers. (For a quick review, check out adding integers and subtracting integers.) When adding and subtracting like terms, all we really need to do is combine the coefficients.

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"image"

step-by-step explanation:

in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.

here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.