numbskull250 numbskull250
  • 18-09-2016
  • Mathematics
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5/2c-3=3/7c+4 and please explain

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texaschic101
texaschic101 texaschic101
  • 18-09-2016
5/2c - 3 = 3/7c + 4...subtract 3/7c from both sides
5/2c - 3/7c - 3 = 4.....add 3 to both sides
5/2c - 3/7c = 4 + 3....common denominator of 7 and 2 is 14
35/14c - 6/14c = 7...simplify
29/14c = 7....multiply both sides by 14/29, eliminating the 29/14 on left
c = 7 * 14/29
c = 98/29 = 3 11/29
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