Include ALL details to get credits. Missing details will result in points off even if the answer is correct. Given the following system: x-y-5z=1 6x7y8z = 9 2x-54z=-4 use the Gaussian Elimination method to solve the system. If the system has only one solution, express the solution in form x = y = x= If the system has no solution, state "No solution". If the system has "infinite many solutions", clearly mark which variable(s) is the free variable(s) and use letter t or s to represent the fr variable(s). Hint: Using the Gaussian Elimination method includes forming an augmented matrix, applying a sequence of elementary row operations to carry augmented matrix to a row reduced echelon form and finally give the solutions. Use examples in 1.2 as reference.