liljay123 liljay123

12-01-2017
Mathematics

contestada

27-(63-8)and(72-63)-8 is it equivalent or not and why

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katiem320 katiem320

12-01-2017

They are not equivalent because 27-(63-8) is equal to -28 and (72-63)-8 is equal to 1.

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LittlestRedTeal LittlestRedTeal

12-01-2017

For the first one is
27-(63-8)
27-55
28

The second one is (72-63)-8
9-8
1

They are not equivalent.

Answer Link

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