02-10-2017
Mathematics

contestada

Transitive property: if 3x plus y equals 7 and 7 equals 5x minus 2y then

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Аноним Аноним

02-10-2017

3x + y = 7
7 = 5x - 2y

THEN 3x + y = 5x - 2y ... it's like you're taking out the middle man "7"

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