Answer :
n=7/9
9n=7
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10n-n=9n
10n-n=7
10n=7+n
10n=7+0.7...
10n=7.7...
n=0.777777...
9n=7
----------
10n-n=9n
10n-n=7
10n=7+n
10n=7+0.7...
10n=7.7...
n=0.777777...
what is 7/9 as a decimal terminating or repeating decimal