For the following problems, use this system of equations x + y - 2-6 3x-2y+z= -5 x+3y-22-14 Question 3 100 Points Solve this system by using row operations and putting it in reduced row echelon form. Check your answer as always. Use the editor to format your answer Question 4 100 Points {a) Find the determinant D by using row two as your pivot row. Show all steps (b) Find the determinant D, by using column 1 as your pivot column. Show all steps. (Solve for x using Cramer's rule.
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