Solve . Write the solution in interval notation.
Isolating gives . Dividing off the coefficient and reversing the inequality symbol because its negative gives . The solution is
. Write the solution in interval notation. 
gives 
. Dividing off the coefficient and reversing the inequality symbol because its negative gives 
. The solution is ![LaTeX: \displaystyle \left(-\infty, - \frac{7}{2}\right]](/equation_images/%20%5Cdisplaystyle%20%5Cleft%28-%5Cinfty%2C%20-%20%5Cfrac%7B7%7D%7B2%7D%5Cright%5D%20 "\displaystyle \left(-\infty, - \frac{7}{2}\right]")