Use the echelon method to solve the following system of two equations in two unknowns. Check your answer. 5 x plus y equals11 3 x minus y equals5 Question content area bottom Part 1 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution is enter your response here. (Type an ordered pair.) B. There are infinitely many solutions. The general solution is left parenthesis nothing comma y right parenthesis , where y is any real number. C. There is no solution