[2.,2x-y=5],[x+y,=4]

3y+2x=5,x+2y=4

2x-y=4 ; 5x+4y=1

2x+3y=5 4x-5y=6

4x+3y=5, 2x-y=2

Solve: 2x+y=5,3x-2y=4

If (3x -4y) : (2x -3y) = (5x -6y) : (4x -5y) , find : x : y .

Find the radical center of the circles x^2+y^2+4x+6y=19 ,x^2+y^2=9,x^2+y^2-2x-4y=5,

Find the radical center of the circles x^2+y^2+4x+6y=19 ,x^2+y^2=9,x^2+y^2-2x-4y=5,

The figure formed by the lines 2x-5y+4=0, 5x+2y+7=0, 2x-5y+3=0, 5x+2y-6=0 is

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