courses w/ different no. of credits

How are these classes seen? Is the value of an A in a 2 credit class different than one of a 5 credit class and so are the grades adjusted?

For instance, I took a music class at a CC and it was worth 2, and also a business class that was worth 5 - sooo when my GPA is calculated, are those factors taken into consideration and is my GPA reconfigured?

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