hayley6 hayley6
  • 01-09-2016
  • Mathematics
contestada

two thirds a number plus 4 is 7

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ryannthompson
ryannthompson ryannthompson
  • 01-09-2016

2/3x +4=7

         -4 -4

3x2/3x=3x3

2x=9

2x/2=9/2

x=4.5

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