marrynaclement marrynaclement

20-04-2019
Mathematics

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Brainers, please help me out. Thanks a lot.

Brainers please help me out Thanks a lot class=

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teamtommo teamtommo

20-04-2019

s1 = x

s2 = 2x

s3 = 3x - 3

51 = s1 + s2 + s3

51 = x + 2x + 3x - 3

54 = 6x

9 = x

The length of the first side is 9

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