If `[[x+3,z+4,2y-7],[-6,a-1,0],[b-3,-21,0]]=[[0,6,3y-2],[-6,-3,2c+2],[2b+4,-21,0]]`

If [[x+3,z+4,2y-7],[4x+6,a-1,0],[b-3,3b,z+2c]]=[[0,6,3y-2],[2x,-3,2c+2],[2b+4,-21,0]] , obtain the values of a,b,c and x,y and z.

[[x+3,z+4,2y-7-6,a-1,0b-3,-21,0]]=[[0,6,3y-2-6,-3,2c+22b+4,-21,0]]

If [[x+3,z+4,2y-7],[4x+6,a-1,0],[b-3],[3b],[z+2c]] = [[0,6,3y-2],[2x,-3,2c+2],[2b+4],[-2],[0]] , obtain the values of a, b, c, x, y and z.

If [(x+3,z+4 ,2y-7 ),(4x+6,a-1, 0),(b-3 ,3b, z+2c)]=[(0, 6 ,3y-2 ),(2x,-3 ,2c+2),(2b+4,-21, 0)] Obtain the values of a ,\ b ,\ c ,\ x ,\ y\ a n d\ z .

If [(x+3,z+4 ,2y-7 ),(4x+6,a-1, 0),(b-3 ,3b, z+2c)]=[(0, 6 ,3y-2 ),(2x,-3 ,2c+2),(2b+4,-21, 0)] Obtain the values of a ,\ b ,\ c ,\ x ,\ y\ a n d\ z .

If A=[[2,-3],[5,-4],[-6,1]],B=[[-1,2],[2,2],[0,3]] and C=[[4,3],[-1,4],[-2,1]] show that: A+B=B+A

If A=[[7,3,0],[0,4,-2]],B=[[0,-2,3],[2,1,-4]] ,then find A^T+4B^T

Find the matrices A and B,if 2A-B=[[6,-6,0],[-4,2,1]] and A-2B=[[3,2,8],[-2,1,-7]]