what is tn=6n-9.5,t15
Substituting 15 for t gives you...\(15n = 6n-9.5\)Now the trick is to move all terms with n to one side.Subtract 6n from both sides...\(9n = -9.5\)Dividing both sides by 9 gives you...\(n = -1 \frac{1}{18}\)
