Kingmoney113 Kingmoney113
  • 20-09-2018
  • Mathematics
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-2.6b + 4 = 0.9b - 17

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tramserran
tramserran tramserran
  • 20-09-2018

-2.6b + 4 = 0.9b - 17

+2.6b        +2.6b      

           4 =  3.5b -17

         +17          +17

          21 = 3.5b

          [tex]\frac{21}{3.5} = \frac{3.5b}{3.5}[/tex]

          6 = b

Answer: b = 6

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