4. O 0.721 points | Previous Answers LarlinAlg7 2.1.047, 2/3 Submissions Used Write the system of linear equations in the form Ax - b and solve this matrix equation for x. x1-5x2+ 2x3 = 19 -3x1 x2 X3 -10 -2x2 +5x3 11 x1 x210 x3 X1 x3 Show My Work (Required) What steps or reasoning did you use? Your work counts towards your score You can submit show my work an unlimited number of times.