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22-03-2017
Mathematics

contestada

Three plus the reciprocal of a number equals 7 divided by that number. What is the number?

Respuesta :

rarrininger rarrininger

23-03-2017

3+1/x *x = 7/x*x
3x+1 = 7
3x+1-1=7-1
3x=6
3x/3 =6/3
x =2

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