What values of x and y satisfy the system of equations {x=−2y+13x+8y=11? Enter your answer as an ordered pair, like this: (42, 53) If your answer includes one or more fractions, use the / symbol to separate numerators and denominators. For example, enter it like this: (42/53, 64/75) If there is no solution, enter "no"; if there are infinitely many solutions, enter "inf."