angel35747 angel35747
  • 23-02-2017
  • Mathematics
contestada

what is b?
4 + b/2 = 9

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Аноним Аноним
  • 23-02-2017
4 + b/2 = 9
       b/2 = 9 - 4
       b/2 = 5
    2(b/2) = 5(2)
          b = 10

hope this helps :)
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