Since 2 b 2 b 0 we are left with 4 on the left-hand side and 9 on the right-hand side. Now if there are no solutions then L. Add 3 to both sides.
Substitute into equation 1.
Use the substitution method to solve for the solution set. One they want us to-- we can pick the coefficient on the x term and then we can pick the constant. Insert that and you get x 1 x n. Use the substitution method to solve for the solution set.