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Mathematics 8 Online
OpenStudy (anonymous):

What should be added to both sides of this equation to solve for the variable? 15 + n = 24

OpenStudy (anonymous):

-15

OpenStudy (anonymous):

You want to get n by itself. Doing so you add the opposite of the number you have on the side. So if you subtract 15 that gets ride of 15 and whatever you do on one side you must do on the other.

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