Solve the following system of equations by using the inverse of the coefficient matrix if it exists and by the echelon method if the inverse doesn't exist. y = 37 41x7y 253 6x + select the correct choice below and fill in any answer boxes within your choice. o a. the solution of the system is (simplify your answer. type an ordered pair.) o b. there are infinitely many solutions. the solution is y), where y is any real number. (simplify your answer. use integers or fractions for any numbers in the expression.) o c. there is no solution.