7. s] Consider the system of linear equations with variables r, y, z (written in that order) with row-reduced matrix given below. Determine the solution type and give the solution, if one exists. 1 2...

Extracted text: 7. s] Consider the system of linear equations with variables r, y, z (written in that order) with row-reduced matrix given below. Determine the solution type and give the solution, if one exists. 1 2 0 9. 0 0 1 -12 Select the appropriate box and fill in the corresponding blanks. O There is one unique solution. The solution is r = and = O There are infinitely many solutions. ALL solutions can be given by and OThe system has no solution.