If [3x+7 5, y+1 2-3x]=[0 y-2, 8 4] , then find the value of X and Y

If |(x, x-y),(2x+y,7)|=|(3, 1),( 8, 7)| , then find the value of y

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

If [[y+2x,5],[-x,3]]=[[7, 5],[-2 ,3]], find the value of y

If x : y = 4 : 7 , find the value of (3x + 2y) : (5x + y) .

If 2x+3y=8 and x y=2 , find the value of 4x^2+9y^2

Find the values of x and y in the following rectangle : We know that the opposite sides of a rectangle are equal therefore 3x + y = 7 …(1) x + 3y = 13 …(2) 9x + 3y = 21 [from (1)] {:(" x + 3y = 13"),( " "ul"- - -"),("On subtracting, 8x =8"):} x = 1 Now, from (1), 3 (1) + y = 7 implies y = 7 - 3 implies y = 4 Hence, the required values of x and y are 1 and 4 respectively.

If x=2 and y=5 find the values of : (3x)/(2y)

If x : y=2:3, find the value of (3x+2y):(2x+5y)dot

If 3x+2y=12 and x y=6 , find the value of 9x^2+4y^2

If 3x-2y=11 and x y=12 , find the value of 27\ x^3-8y^3