Danny1111111111111
Danny1111111111111
19-05-2016
Mathematics
contestada
solve 7(k- 3) = 3k - 5
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TSO
TSO
19-05-2016
[tex]7(k- 3) = 3k - 5\\7(k)-7(3) = 3k-5\\7k - 21=3k-5\\7k-3k-21 =3k-3k-5\\4k-21=-5\\4k-21+21=-5+21\\4k=16\\\frac{4k}{4} =\frac{16}{4}\\\\\boxed{\bf{k=4}}[/tex]
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