How would I solve these two problems by each step. I am not that familiar with gauss Jordan elimination but am familiar with Crammar method could I solve this with the crammar's method?

11. [0/1 Points] DETAILS PREVIOUS ANSWERS WANEFMAC8 4.2.036. MY NOTES Use Gauss-Jordan row reduction to solve the given system of equations. (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer using the parameters x, y, z, and/or w.) x+y+ 4w = 1 2x - 2y - 3z + 2w =-1 4y + 6z + W = 4 3x + 3y + 3z + 7w = 4 ( x, y, Z, W ) = 1 1 1 2' 2' 3' , 0 X Show My Work (Optional) ? Submit Answer 12. [0/1 Points] DETAILS PREVIOUS ANSWERS WANEFMAC8 4.2.037.ALT. MY NOTES Use Gauss-Jordan row reduction to solve the given system of equations. (If there is no solution, enter NO SOLUTION. If the system is dependent, express your answer using the parameters x, y, z, and/or w.) x - 3y + z - 7w = 1 x + 4y + 52 + 2w = 2x + y + 62 - 5W = 3 ( x , y, z, W ) = 1.4 - 2.7z + 3.1w, 0.1 - 0.6z - 1.2w, z, w X # Show My Work (Optional) ? 276 2 NOV