Ronald123 Ronald123

12-03-2016
Mathematics

contestada

when 1 is added to a number and the answer is trebled , it gives the same result as doubling the number and then adding 4, find the number.

Respuesta :

Alina87 Alina87

12-03-2016

x - the number
3(x+1)=2x+4
3x+3=2x+4
3x-2x=4-3
x=1

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