If A=`[[-1,3],[4,2]]` , B=`[[2,1],[3,5]]` and A+B-X=0 then find x

If A=[[2,1,3],[4,1,0]] and B=[[1,-1],[0,2],[5,0]] find AB and BA.

If A=[[2,1],[3,0],[5,1]] and B = [[4,0],[3,8]] then find AB

If A=[[1,4,-1],[2,6,5]] and B=[[3,-2,-6],[2,0,-7]] , find A+B and A-B

Let A is 3 xx 3 matrix such that Ax_1=B_1,Ax_2=B_2,Ax_3=B_3 where x_1=[[1],[1],[1]],x_2=[[0],[2],[1]],x_3=[[0],[0],[1]] ,br> B_1=[[1],[0],[0]],B_2=[[0],[2],[0]],B_3=[[0],[0],[2]] then find |A| .

If A=[[2,3,4],[-3,0,2]], B=[[3,-4,-5],[1,2,1]] and C=[[5,-1,2],[7,0,3]] , find the matrix X such that 2A+3B=X+C

If A=[[1,2,-3] , [5,0,2] , [1,-1,1]] and B=[[3,-1,2] , [4,2,5] , [2,0,3]] then find matrix C such that A+2C=B

If A=[[2,3,-4],[1,0,6],[-2,1,5]],B=[[5,1,2],[6,-1,4],[5,3,-4]] , find 2A-3B .

If A = [[-1, 2 ,3],[-1, 0, 2],[1, -3, 1]] and B = [[4,5,6],[-1, 0, 1], [2,1,2]], find 4A-3B

If A=[(-3,1,6),(2,-5,0),(1,-3,4)],B=[(4,7),(-4,2),(-1,-5)] and AX=B, then the size of X is

Let A=[[1 ,1, 1],[ 3, 3, 3]] , B=[[3,1], [5, 2],[-2, 4]] and C=[[4,2],[-3,5],[ 5 ,0]] . Verify that A B=A C though B!=C ,\ A!=O .