Respuesta :

In order to pass a test in pre-algebra, you need to know how to solve that. That's a real life application.
Are you asking for a problem where you could apply that? If so, use this:
Jason has some marbles. His friend gave him more marbles so he had double the original amount. Then, his sister gave him 5 more marbles. In the end, he had 10 marbles. How many marbles did he start out with?

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