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07-11-2016
Mathematics

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seven times a number is the same as 12 more than 3 times the number. find the number

Respuesta :

07-11-2016

7x=12+3x
-3x. -3x
4x=12
x=3

Answer Link

07-11-2016

7y = 12 + 3y , 4y = 12 , y = 3

Answer Link

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