If `[[1,2],[2,1]][[x],[y]]=[[5],[4]]`, then value of y is ____.

if [[1,2],[3,1]] [[x],[y]]=[[5],[5]] find value of x and y .

If x [2 3]+y[-1 1]=[10 5] , find the value of x and y

If [2x+y,4x,5x-7 4x]=[7 7y-13 y x+6] , then the value of x+y is x=3 , y=1 (b) x=2 , y=3 (c) x=2 , y=4 (d) x=3 , y=3

If [x+y x-y]=[2 1 4 3][1-2] , then write the value of (x ,\ y) .

If 1/5x-2/3y=4 . What is the value of 3x-10y ?

The minimum value of y=5x^(2)-2x+1 is

If x=2 and y=5 find the values of : 3x-4y

If (x/3+1,y-2/3)= (5/3,1/3) , find the value of x and y.

If 2x-3y=5 , what is the value of 4x^(2)-12xy+9y^(2) ?