The property of 9 + (5 + 3) = (9 + 5) + 3 is .

828. all there is to it!

here, if you ever need with rounding (or other forms of arithmetic/math) again, use this:

thats the rounding one, but if you just click the top left, it shows you all the calculators you may need!

step-by-step :

24+x=y

step-by-step explanation:

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