7of 18 (2 com solve the system of equations below. 6x + 2y-3z 10 x-4y +z4 select the correct choice below and fill in any answer boxes within your choice. o a. the system has a single solution. the solution set is ( o b. there are infinitely many solutions and the equations are dependent. the solu o c. the system is inconsistent. the solution set is the empty set (type exact answers in simplified form.) type your answer in standard form. simplify your answer. use integers or fra