destintofate destintofate
  • 28-08-2016
  • Mathematics
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What does 2/3b+5=20-b equal

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dasetka
dasetka dasetka
  • 28-08-2016
[tex] \frac{2}{3} [/tex]b + 5 = 20 - b   Multiply both sides by 3
2b + 15 = 60 - 3b   Add 3b to both sides
5b + 15 = 60          Subtract 15 from both sides
       5b = 45           Divide both sides by 5
         b = 9

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