Verified Answer :

dalendrk

9n - 7 = 5n + 5    |add 7 to both sides

9n = 5n + 12    |subtract 5n from both sides

4n = 12    |divide both sides by 4

n = 3

\(9n -7 = 5n + 5\) 

\(9n=5n+5+7\) 

\(9n=5n+12\) 

\(9n-5n=12\) 

\(4n=12\) 

\(n=12/4\) 

\(n=3\)

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