9/7x+35=9/x+5-6/7 aWhat is/are the value or values of the variable that make(s) the denominators zero?x=(Simplify your answer. Use a comma to separate answers as needed.)b. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.A The solution set is {}.(Type an integer or a simplified fraction. Use a comma to separate answers as needed.)B. The solution set is {x) x is a real number}.C. The solution set is Ø.