7 1.2026. 0/6 Used Solve the system using either Gaussian elimination with back-substitution or Gauss-Jordan elimination. (If there is no solution, enter NO SOLUTION. If the system infinite number of solutions, set y = t and solve for x in terms of t.) 3x 12y18 -3x 12y-18 (x, y) = Show My Work (Required did you No Files to Display