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Julie has 15 nails. She uses 8 to build a birdhouse. She subtracts to find the number of nails left. Which addition sentence can she use to check her work???

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Respuesta :

Answer:

8+7=15

Step-by-step explanation:

Answer:

15-8=n

Step-by-step explanation:

n=7 if its with the variable OR you could use 15 - 8 = 7. just basic subtraction