ipaul90 ipaul90
  • 20-03-2017
  • Mathematics
contestada


Solve 3(2x) = 7(x−1).

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Аноним Аноним
  • 20-03-2017
The answer is x = 7

I hope this helps. :)
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lilygracehillard
lilygracehillard lilygracehillard
  • 20-03-2017

Explanation:

Equating logarithms,

2x log3 = (x−1) log7

Solving:  x = 1 − log9/log7 = −0.12915, nearly.

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