`3x -5y-4 = 0` and `9x = 2y + 7`

Find the solution of the equations 8x + 5y - 9 = 0 and 3x + 2y - 4 = 0 .

Show that the three straight lines 2x-3y + 5 = 0 , 3x + 4y - 7 = 0 and 9x- 5y + 8 = 0 meet in a point

Show that the lines 2x + 3y - 8 = 0 , x - 5y + 9 = 0 and 3x + 4y - 11 = 0 are concurrent.

Two adjacent sides of a parallelogram are 4x + 5y = 0 and 7x + 2y = 0 . if the equation of it's one diagonal be 11x +7y = 9 , Area of parallelogram is

The line 3x + 2y + 7 = 0 and 6x + 4y + 9 = 0 are "___________" to each other .

Solve the following pair of linear equations by the elimination method and the substitution method: (i) x+y=5" "a n d" "2x 3y=4 (ii) 2x+4y=10" "a n d" "2x 2y=2 (iii) 3x 5y 4=0" "a n d" "9x=2y+7 (iv) x/2+(2y)/3=-1 and x-y/3=3

IF 3x +5Y = 9 and 5x + 3y =7 then find the value of x+y

The equation of straight line belonging to both the families of lines (x-y+1)+lambda_1(2x-y-2)=0 and (5x+3y-2)+lambda_2(3x-y-4)=0 where lambda_1, lambda_2 are arbitrary numbers is (A) 5x -2y -7=0 (B) 2x+ 5y - 7= 0 (C) 5x + 2y -7 =0 (D) 2x- 5y- 7= 0

Solve:- 3x-5y-4=0, 9x=2y+7

Two sides of a triangle are 2x -y =0 and x + y = 3. If its centroid is (2, 3) its third side is (A) x + 5y – 9 = 0 (B) 5x – Y – 9 = 0 (C) x + 5y + 9 = 0 D) 5x – y + 9 = 0