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15-12-2016
Mathematics

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7x/8 = 21
(7x/8)(8) = 21 (8) 7x = 168 7x/7 = 168/7 (x = 24)
A. 24*************
B. 18.375
C. 1.857
D. 19

Respuesta :

apologiabiology apologiabiology

15-12-2016

7x/8=21
times 8 both sides (hack way is times 8/7 both sides)
7x=168
divide both sides by 7
x=24
yah, you are right
A is answer

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