[2x+y=-4],[3y=5x-1]

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

5x+2y=4 7x+3y=5

Solve the following system of equations by matrix method : 5x+7y+2=0 4x+6y+3=0 5x+2y=3 3x+2y=5 3x+4y-5=0 x-y+3=0 3x+y=19 3x-y=23 3x+7y=4 x+2y=-1 3x+y=7 5x+3y=12

Solve the following pair ofequations by substitution method.(3)/(2)x-y=(1)/(4);x+(1)/(2)y=1 and 3x+y=4,2(y-5)=-5x

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

Find (x+y)-:(x-y), if x=2/3, y=3/2 (ii) x=2/5, y=1/2 x=5/4, y=(-1)/3

Consider the system of equations 5x+2y=4,7x+3y=5 .If A=[[5,2],[7,3]], X=[[x],[y]] and B=[[4],[5]] Find A^-1

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