how do you solve 9n+4=5n+18 and what is the answer
\(9n+4=5n+18\ \ \ \ |subtract\ 4\ from\ both\ sides\\\\9n=5n+14\ \ \ \ \ |subtract\ 5n\ from\ both\ sides\\\\4n=14\ \ \ \ \ \ |divide\ both\ sides\ by\ 4\\\ =\frac{14}{4}\\\ =\frac{7}{2}\\\\\boxed{n=3\frac{1}{2}}\)