Answer :

Answer:

100+x

Step-by-step explanation:

Peter starts out with 100 dollars and then gets X more meaning we have to add X to what he originally had and that looks like this 100+x

I hope this helps and please don't hesitate to ask if there is anything still unclear!

nli32

Answer: x + 100

we know he has 100, and the unknown amount is x. since he has 100 and an undefined amount, you just add them together as you would with 2 defined amounts

Step-by-step explanation:

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