Give the domain of the variable in the following equation.6x + 1 30x+8——— = ———— X-4 5x-7(Select the correct choice below and, if necessary, fill in the answer box to complete your choice.)A. The domain is {xlx is a real number, x#___}.(Simplify your answer. Use a comma to separate answers as needed.)B. The domain is {xlx is a real number).