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23-02-2017
Mathematics

contestada

What is the value of x in the equation 3(4x+6) =21
A) 1/4
B) 13/4
C) 4/13
D) 12/7

Respuesta :

23-02-2017

3 (4x + 6) = 21
4x + 6 = 21/3
4x + 6 = 7
4x = 7 - 6
4x = 1
x = 1/4

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