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26-04-2017
Mathematics

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x+y=90 x=14+3y what is the x and y

Respuesta :

26-04-2017

14 + 3y + y = 90
14 + 4y = 90
-14. -14

4y = 76
/ 4. /4

Y= 19

X = 14 + 3(19)
X = 14 + 57

X = 71

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