all the details are in the attached picture. The suggested solution is not the shortest way.
Note, step 1 is: to find the domain; step 2 is: to solve the equation wihout domain; step 3: to determine 'x' with domain. The answer is marked with green colour.
I believe the pressure inside the tires decreases in the winter because of the cold and increases in the summer when the air is heated up making it expand and add more pressure
