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  • 01-11-2016
  • Mathematics
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k/8 + 1 - k = 19 solve

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dasetka
dasetka dasetka
  • 02-11-2016
[tex] \frac{k}{8} [/tex] + 1 - k = 19   Subtract 1 from both sides
      [tex] \frac{k}{8} [/tex] - k = 18   Multiply both sides by 8
                                  k - 8k = 144  Subtract 
                                      -7k = 144   Divide both sides by -7
                                         k = -[tex] \frac{144}{7} [/tex]
                                         k ≈ 20.57
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