If `[[2,1] , [3,4]] xx [[x] , [y]] = [[1] , [-1]]` then find `x` and `y`

If 2[[3,4],[5,x]]+[[1,y],[0,1]]=[[7,0],[10,6]] then find (x-y)

If [[1,3],[2,-1]][[x],[y]]=[[4],[1]] then x and y is

If x+y=[[1,4,3] , [-2,5,6] , [7,0,2]] and x-y=[[3,2,5] , [4,1,2] , [1,0,4]] then find x and y

(i) If ([2,1],[3,4])times([x],[y])=([1],[-1]), find x and y

If (x-1,y+4)=(1,2) then find x & y

If a = 2 , x = 1, y = 1 , z = 1 then find the value of a^x times a^y times a^z

If y=3x+1=4[x-1]-10 then find the value of [x+2y]

If y=3[x]+1=4[x-1]-10, then find the value of [x+2y] .

.If X and Y are the two matrices given by the equations X+Y=[[1,-2],[3,4]] and X-Y=[[3,2],[-1,0]], find "X" and "Y