Ronald123
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.

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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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