Prove that the straight lines `4x+7y=9, 5x-8y+15=0 and 9x-y+6=0 are concurrent.

Examine whether the striaght lines x-y+4=0,2x+3y-6=0 and 8x+7y-26=0 are concurrent or not.

Show that the lines 3x-4y+5=0,7x-8y+5=0 and 4x+5y=45 are concurrent.

Prove that the lies 3x+y-14=0,x-2y=0 nad 3x-8y+4=0 are concurrent.

Prove that the straight lines y - x + 1 = 0, 2y - x - 1 = 0 and 7x -y - 19 = 0 are concurrent.

Prove that the lies 3x+y-14=0,\ x-2y=0\ n a d\ 3x-8y+4=0 are concurrent.

Show that the lines 3x-4y+5=0,7x-8y+5=0 and 4x+5y=45 are concurrent. Also find their point of intersection.

The value of k for which the lines 7x -8y +5=0, 3x-4 y+5 =0 and 4x+5y+k =0 are concurrent is given by

The value of k for which the lines 7x -8y +5=0, 3x-4 y+5 =0 and 4x+5y+k =0 are concurrent is given by

Prove that the three lines 2x-y-5=0, 3x-y-6=0 and 4x-y-7=0 meet in a point.