If `A=[9 1 7 8]` , `B=[1 5 7 12]` , find matrix `C` such that `5A+3B+2C` is a null matrix.

If A=[3 5] , B=[7 3] , then find a non-zero matrix C such that A C=B C .

If A=[{:(1,5),(7,12):}] and B=[{:(9,1),( 7,8):}] then find a matrix C such that 3A+5B+2C is a null matrix.

If A=[3 5],B=[7 3], then find a non-zero matrix C such that AC=BC.

If A=[(2, 2), (-3, 1), (4, 0)], B=[(6, 2), (1, 3), (0, 4)], find the matrix C such that A + B + C is zero matrix.

if A[{:(2,-3),(4,-1):}]and B=[{:(3,0),(-1,2):}], then find A matrix C such that 2A-B+3c is a unit matrix.

if A=[[3,-1-1,2]],B=[[31]],C=[[1-2]] find the matrix X such that AX=3B+2C.

If A=[{:(1,-3,2),(2," "0,2):}]" and "B=[{:(2,-1,-1),(1," "0,-1):}] , find a matrix C such that (A+B+C) is a zero matrix.

If A=[{:(1,-5),(-3," "2),(4,-2):}]" and "B=[{:(3," "1),(2,-1),(-2," "3):}] , find the matrix C such that A+B+C is a zero matrix.

If A={:[(2,-3),(1,2)]:}andB={:[(3,2),(7,-1)]:} , find matrix C such that C=AB+A^(2)B .

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