noname7 noname7
  • 26-05-2016
  • Mathematics
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Full in the missing reason for each step of proof?

Full in the missing reason for each step of proof class=

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nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 04-06-2016
5x + 3y + 2(x + y) = 5x + 3y + 2x + 2y . . . . . . . . (opening up the bracket)
                             = 5x + 2x + 3y + 2y . . . . . . . . (rearranging terms)
                             = 7x + 5y
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